18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid

C140H220N26O39S — CID 146651251

About 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid

18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid (PubChem CID 146651251) has the molecular formula C140H220N26O39S and a molecular weight of 2923.51 g/mol. Its IUPAC name is 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid.

Molecular Properties

• Compound Name: 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid
• PubChem CID: 146651251
• Molecular Formula: C140H220N26O39S
• Molecular Weight: 2923.51 g/mol
• Exact Mass: 2921.58
• IUPAC Name: 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid
• SMILES: CCCC[C@H]1C(=O)N(C)[C@@H](CCCC)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@@H](Cc2cn(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCC(NC(=O)CCCCCCCCCCCCCCCCC(=O)O)C(=O)O)nn2)C(=O)O)CSCC(=O)N[C@@H](Cc2ccc(O)cc2)C(=O)N(C)[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CN)C(=O)N[C@@H](CC(C)C)C(=O)N2C[C@H](O)C[C@H]2C(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)N[C@@H](CCN)C(=O)N[C@@H](Cc2nn(CC(=O)O)c3ccccc23)C(=O)N1C
• InChI: InChI=1S/C140H220N26O39S/c1-11-13-37-115-131(183)149-105(76-91(3)4)127(179)156-113(130(182)154-111(140(193)194)80-96-86-163(159-157-96)53-55-196-57-59-198-61-63-200-65-67-202-69-71-204-73-75-205-74-72-203-70-68-201-66-64-199-62-60-197-58-56-195-54-51-144-120(170)48-47-103(139(191)192)146-121(171)41-27-25-23-21-19-17-15-16-18-20-22-24-26-28-42-123(173)174)89-206-90-122(172)147-108(78-94-43-45-97(167)46-44-94)134(186)160(8)93(7)125(177)151-110(83-119(143)169)136(188)164-52-33-40-116(164)132(184)155-112(84-142)129(181)152-107(77-92(5)6)137(189)165-87-98(168)81-118(165)133(185)150-106(79-95-85-145-101-36-31-29-34-99(95)101)128(180)148-102(49-50-141)126(178)153-109(135(187)162(10)117(38-14-12-2)138(190)161(115)9)82-104-100-35-30-32-39-114(100)166(158-104)88-124(175)176/h29-32,34-36,39,43-46,85-86,91-93,98,102-103,105-113,115-118,145,167-168H,11-28,33,37-38,40-42,47-84,87-90,141-142H2,1-10H3,(H2,143,169)(H,144,170)(H,146,171)(H,147,172)(H,148,180)(H,149,183)(H,150,185)(H,151,177)(H,152,181)(H,153,178)(H,154,182)(H,155,184)(H,156,179)(H,173,174)(H,175,176)(H,191,192)(H,193,194)/t93-,98+,102-,103?,105-,106-,107-,108-,109-,110-,111-,112-,113-,115-,116-,117-,118-/m0/s1
• InChIKey: CIQAGEXAPDYOCL-BBWBXZGCSA-N
• XLogP: 1.93
• TPSA: 901.39 Ų
• H-Bond Donors: 22
• H-Bond Acceptors: 43
• Rotatable Bonds: 86
• Heavy Atoms: 206
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2923.51
LogP ≤ 5	1.93
H-Bond Donors ≤ 5	22
H-Bond Acceptors ≤ 10	43

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'Aliphatic_long_chain', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid?

The IUPAC name of 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid (CID 146651251) is 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid.

What is the SMILES notation for 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid?

The canonical SMILES for 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid is CCCC[C@H]1C(=O)N(C)[C@@H](CCCC)C(=O)N[C@@H](CC(C)C)C(=O)N[C@H](C(=O)N[C@@H](Cc2cn(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)CCC(NC(=O)CCCCCCCCCCCCCCCCC(=O)O)C(=O)O)nn2)C(=O)O)CSCC(=O)N[C@@H](Cc2ccc(O)cc2)C(=O)N(C)[C@@H](C)C(=O)N[C@@H](CC(N)=O)C(=O)N2CCC[C@H]2C(=O)N[C@@H](CN)C(=O)N[C@@H](CC(C)C)C(=O)N2C[C@H](O)C[C@H]2C(=O)N[C@@H](Cc2c[nH]c3ccccc23)C(=O)N[C@@H](CCN)C(=O)N[C@@H](Cc2nn(CC(=O)O)c3ccccc23)C(=O)N1C.

What is the InChIKey of 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid?

The InChIKey is CIQAGEXAPDYOCL-BBWBXZGCSA-N. The full InChI is InChI=1S/C140H220N26O39S/c1-11-13-37-115-131(183)149-105(76-91(3)4)127(179)156-113(130(182)154-111(140(193)194)80-96-86-163(159-157-96)53-55-196-57-59-198-61-63-200-65-67-202-69-71-204-73-75-205-74-72-203-70-68-201-66-64-199-62-60-197-58-56-195-54-51-144-120(170)48-47-103(139(191)192)146-121(171)41-27-25-23-21-19-17-15-16-18-20-22-24-26-28-42-123(173)174)89-206-90-122(172)147-108(78-94-43-45-97(167)46-44-94)134(186)160(8)93(7)125(177)151-110(83-119(143)169)136(188)164-52-33-40-116(164)132(184)155-112(84-142)129(181)152-107(77-92(5)6)137(189)165-87-98(168)81-118(165)133(185)150-106(79-95-85-145-101-36-31-29-34-99(95)101)128(180)148-102(49-50-141)126(178)153-109(135(187)162(10)117(38-14-12-2)138(190)161(115)9)82-104-100-35-30-32-39-114(100)166(158-104)88-124(175)176/h29-32,34-36,39,43-46,85-86,91-93,98,102-103,105-113,115-118,145,167-168H,11-28,33,37-38,40-42,47-84,87-90,141-142H2,1-10H3,(H2,143,169)(H,144,170)(H,146,171)(H,147,172)(H,148,180)(H,149,183)(H,150,185)(H,151,177)(H,152,181)(H,153,178)(H,154,182)(H,155,184)(H,156,179)(H,173,174)(H,175,176)(H,191,192)(H,193,194)/t93-,98+,102-,103?,105-,106-,107-,108-,109-,110-,111-,112-,113-,115-,116-,117-,118-/m0/s1.

What are the key properties of 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid?

18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid has a molecular weight of 2923.51 g/mol, XLogP of 1.93, 86 rotatable bonds, 22 hydrogen bond donors, and 43 hydrogen bond acceptors.

Where does this data come from?

All data for 18-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[4-[(2S)-2-[[(3S,6S,9S,15S,18S,21S,27R,30S,33S,36S,39S,42S,45S,48S,50R)-42-(2-aminoethyl)-6-(aminomethyl)-15-(2-amino-2-oxoethyl)-33,36-dibutyl-39-[[1-(carboxymethyl)indazol-3-yl]methyl]-50-hydroxy-21-[(4-hydroxyphenyl)methyl]-45-(1H-indol-3-ylmethyl)-18,19,34,37-tetramethyl-3,30-bis(2-methylpropyl)-2,5,8,14,17,20,23,29,32,35,38,41,44,47-tetradecaoxo-25-thia-1,4,7,13,16,19,22,28,31,34,37,40,43,46-tetradecazatricyclo[46.3.0.09,13]henpentacontane-27-carbonyl]amino]-2-carboxyethyl]triazol-1-yl]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-carboxy-4-oxobutyl]amino]-18-oxooctadecanoic acid is sourced from PubChem (CID 146651251), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).