(4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid

C102H174N12O30 — CID 71490078

About (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid

(4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid (PubChem CID 71490078) has the molecular formula C102H174N12O30 and a molecular weight of 2048.57 g/mol. Its IUPAC name is (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid.

Molecular Properties

• Compound Name: (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid
• PubChem CID: 71490078
• Molecular Formula: C102H174N12O30
• Molecular Weight: 2048.57 g/mol
• Exact Mass: 2047.25
• IUPAC Name: (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid
• SMILES: CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@@H](OC(=O)C[C@H](NC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)[C@H](Cc5ccccc5)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)C[C@H](O)[C@H](CC(C)C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@@H](N)CCC(=O)O)C(C)C)C(C)C)C(N)=O)CC[C@]4(C)[C@H]3CC[C@]12C
• InChI: InChI=1S/C102H174N12O30/c1-65(2)17-16-18-69(9)75-23-24-76-74-22-21-72-61-73(29-32-101(72,11)77(74)30-33-102(75,76)12)144-90(123)63-81(93(105)124)108-86(117)31-35-132-37-39-134-41-43-136-45-47-138-49-51-140-53-55-142-57-58-143-56-54-141-52-50-139-48-46-137-44-42-135-40-38-133-36-34-106-96(127)82(60-71-19-14-13-15-20-71)111-97(128)79(26-28-89(121)122)109-94(125)70(10)107-99(130)91(67(5)6)113-87(118)64-84(115)80(59-66(3)4)110-98(129)83(62-85(104)116)112-100(131)92(68(7)8)114-95(126)78(103)25-27-88(119)120/h13-15,19-20,65-70,72-84,91-92,115H,16-18,21-64,103H2,1-12H3,(H2,104,116)(H2,105,124)(H,106,127)(H,107,130)(H,108,117)(H,109,125)(H,110,129)(H,111,128)(H,112,131)(H,113,118)(H,114,126)(H,119,120)(H,121,122)/t69-,70+,72+,73+,74+,75-,76+,77+,78+,79+,80+,81+,82+,83+,84+,91+,92+,101+,102-/m1/s1
• InChIKey: WSIUQSOHBSPFMU-DZXAYBSPSA-N
• XLogP: 3.78
• TPSA: 605.99 Ų
• H-Bond Donors: 15
• H-Bond Acceptors: 29
• Rotatable Bonds: 80
• Heavy Atoms: 144
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2048.57
LogP ≤ 5	3.78
H-Bond Donors ≤ 5	15
H-Bond Acceptors ≤ 10	29

Computed Properties (RDKit)

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

Frequently Asked Questions

What is the IUPAC name of (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid?

The IUPAC name of (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid (CID 71490078) is (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid.

What is the SMILES notation for (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid?

The canonical SMILES for (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid is CC(C)CCC[C@@H](C)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4C[C@@H](OC(=O)C[C@H](NC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(=O)[C@H](Cc5ccccc5)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)C[C@H](O)[C@H](CC(C)C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@@H](NC(=O)[C@@H](N)CCC(=O)O)C(C)C)C(C)C)C(N)=O)CC[C@]4(C)[C@H]3CC[C@]12C.

What is the InChIKey of (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid?

The InChIKey is WSIUQSOHBSPFMU-DZXAYBSPSA-N. The full InChI is InChI=1S/C102H174N12O30/c1-65(2)17-16-18-69(9)75-23-24-76-74-22-21-72-61-73(29-32-101(72,11)77(74)30-33-102(75,76)12)144-90(123)63-81(93(105)124)108-86(117)31-35-132-37-39-134-41-43-136-45-47-138-49-51-140-53-55-142-57-58-143-56-54-141-52-50-139-48-46-137-44-42-135-40-38-133-36-34-106-96(127)82(60-71-19-14-13-15-20-71)111-97(128)79(26-28-89(121)122)109-94(125)70(10)107-99(130)91(67(5)6)113-87(118)64-84(115)80(59-66(3)4)110-98(129)83(62-85(104)116)112-100(131)92(68(7)8)114-95(126)78(103)25-27-88(119)120/h13-15,19-20,65-70,72-84,91-92,115H,16-18,21-64,103H2,1-12H3,(H2,104,116)(H2,105,124)(H,106,127)(H,107,130)(H,108,117)(H,109,125)(H,110,129)(H,111,128)(H,112,131)(H,113,118)(H,114,126)(H,119,120)(H,121,122)/t69-,70+,72+,73+,74+,75-,76+,77+,78+,79+,80+,81+,82+,83+,84+,91+,92+,101+,102-/m1/s1.

What are the key properties of (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid?

(4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid has a molecular weight of 2048.57 g/mol, XLogP of 3.78, 80 rotatable bonds, 15 hydrogen bond donors, and 29 hydrogen bond acceptors.

Where does this data come from?

All data for (4S)-4-amino-5-[[(2S)-1-[[(2S)-4-amino-1-[[(3S,4S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[[(2S)-1-amino-4-[[(3S,5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-1,4-dioxobutan-2-yl]amino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylamino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-hydroxy-6-methyl-1-oxoheptan-4-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-5-oxopentanoic acid is sourced from PubChem (CID 71490078), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).