(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid

C84H147N25O33S — CID 25086591

About (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid

(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid (PubChem CID 25086591) has the molecular formula C84H147N25O33S and a molecular weight of 2067.31 g/mol. Its IUPAC name is (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid.

Molecular Properties

• Compound Name: (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid
• PubChem CID: 25086591
• Molecular Formula: C84H147N25O33S
• Molecular Weight: 2067.31 g/mol
• Exact Mass: 2066.03
• IUPAC Name: (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid
• SMILES: CSCC[C@H](NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CCCN=C(N)N)C(C)C)[C@@H](C)O)C(C)C)C(=O)N[C@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)O)C(C)C)[C@@H](C)O
• InChI: InChI=1S/C84H147N25O33S/c1-36(2)27-48(83(141)142)96-78(136)60(38(5)6)105-74(132)53(33-114)98-73(131)52(32-113)103-81(139)63(42(11)118)107-68(126)46(22-26-143-12)93-70(128)51(31-112)102-79(137)59(37(3)4)104-64(122)40(9)91-69(127)47(28-57(87)119)95-66(124)44(18-13-14-23-85)92-67(125)45(20-21-58(120)121)94-80(138)62(41(10)117)108-76(134)55(35-116)100-72(130)50(30-111)101-77(135)56-19-16-25-109(56)82(140)61(39(7)8)106-75(133)54(34-115)99-71(129)49(29-110)97-65(123)43(86)17-15-24-90-84(88)89/h36-56,59-63,110-118H,13-35,85-86H2,1-12H3,(H2,87,119)(H,91,127)(H,92,125)(H,93,128)(H,94,138)(H,95,124)(H,96,136)(H,97,123)(H,98,131)(H,99,129)(H,100,130)(H,101,135)(H,102,137)(H,103,139)(H,104,122)(H,105,132)(H,106,133)(H,107,126)(H,108,134)(H,120,121)(H,141,142)(H4,88,89,90)/t40-,41+,42+,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-,59-,60-,61-,62-,63-/m0/s1
• InChIKey: HPRJTYYGGPUWSE-LWXHWMEPSA-N
• XLogP: -16.47
• TPSA: 960.31 Ų
• H-Bond Donors: 34
• H-Bond Acceptors: 35
• Rotatable Bonds: 68
• Heavy Atoms: 143
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2067.31
LogP ≤ 5	-16.47
H-Bond Donors ≤ 5	34
H-Bond Acceptors ≤ 10	35

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'Aliphatic_long_chain', 'substructure': 'N/A'}, {'alert_name': 'imine_1', 'substructure': 'N/A'}, {'alert_name': 'imine_2', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid?

The IUPAC name of (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid (CID 25086591) is (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid.

What is the SMILES notation for (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid?

The canonical SMILES for (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid is CSCC[C@H](NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@@H]1CCCN1C(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](CO)NC(=O)[C@@H](N)CCCN=C(N)N)C(C)C)[C@@H](C)O)C(C)C)C(=O)N[C@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)O)C(C)C)[C@@H](C)O.

What is the InChIKey of (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid?

The InChIKey is HPRJTYYGGPUWSE-LWXHWMEPSA-N. The full InChI is InChI=1S/C84H147N25O33S/c1-36(2)27-48(83(141)142)96-78(136)60(38(5)6)105-74(132)53(33-114)98-73(131)52(32-113)103-81(139)63(42(11)118)107-68(126)46(22-26-143-12)93-70(128)51(31-112)102-79(137)59(37(3)4)104-64(122)40(9)91-69(127)47(28-57(87)119)95-66(124)44(18-13-14-23-85)92-67(125)45(20-21-58(120)121)94-80(138)62(41(10)117)108-76(134)55(35-116)100-72(130)50(30-111)101-77(135)56-19-16-25-109(56)82(140)61(39(7)8)106-75(133)54(34-115)99-71(129)49(29-110)97-65(123)43(86)17-15-24-90-84(88)89/h36-56,59-63,110-118H,13-35,85-86H2,1-12H3,(H2,87,119)(H,91,127)(H,92,125)(H,93,128)(H,94,138)(H,95,124)(H,96,136)(H,97,123)(H,98,131)(H,99,129)(H,100,130)(H,101,135)(H,102,137)(H,103,139)(H,104,122)(H,105,132)(H,106,133)(H,107,126)(H,108,134)(H,120,121)(H,141,142)(H4,88,89,90)/t40-,41+,42+,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-,59-,60-,61-,62-,63-/m0/s1.

What are the key properties of (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid?

(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid has a molecular weight of 2067.31 g/mol, XLogP of -16.47, 68 rotatable bonds, 34 hydrogen bond donors, and 35 hydrogen bond acceptors.

Where does this data come from?

All data for (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]pyrrolidine-2-carbonyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxybutanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-oxobutanoyl]amino]propanoyl]amino]-3-methylbutanoyl]amino]-3-hydroxypropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-hydroxypropanoyl]amino]-3-methylbutanoyl]amino]-4-methylpentanoic acid is sourced from PubChem (CID 25086591), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).