(2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid

C70H117N5O51 — CID 91847634

About (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid

(2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid (PubChem CID 91847634) has the molecular formula C70H117N5O51 and a molecular weight of 1844.69 g/mol. Its IUPAC name is (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid.

Molecular Properties

• Compound Name: (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid
• PubChem CID: 91847634
• Molecular Formula: C70H117N5O51
• Molecular Weight: 1844.69 g/mol
• Exact Mass: 1843.67
• IUPAC Name: (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid
• SMILES: CC(=O)N[C@H]1[C@H](OC[C@@H](O)[C@H](O)[C@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[C@]3(C(=O)O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O3)[C@H]2O)[C@H](CO)NC(C)=O)O[C@H](CO)[C@@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[C@@H]3O[C@H](CO)[C@@H](O[C@@H]4O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]4O)[C@H](O[C@@H]4O[C@H](CO)[C@H](O)[C@H](O[C@]5(C(=O)O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O5)[C@H]4O)[C@H]3NC(C)=O)[C@H]2O)[C@@H]1O
• InChI: InChI=1S/C70H117N5O51/c1-18-39(94)47(102)48(103)63(112-18)120-54-34(16-83)117-62(38(75-23(6)88)57(54)121-66-51(106)60(45(100)32(14-81)115-66)126-70(68(109)110)8-26(90)36(73-21(4)86)56(124-70)41(96)28(92)11-78)122-58-43(98)30(12-79)113-64(49(58)104)119-53-33(15-82)116-61(37(46(53)101)74-22(5)87)111-17-29(93)42(97)52(24(9-76)71-19(2)84)118-65-50(105)59(44(99)31(13-80)114-65)125-69(67(107)108)7-25(89)35(72-20(3)85)55(123-69)40(95)27(91)10-77/h18,24-66,76-83,89-106H,7-17H2,1-6H3,(H,71,84)(H,72,85)(H,73,86)(H,74,87)(H,75,88)(H,107,108)(H,109,110)/t18-,24-,25-,26-,27+,28+,29+,30+,31+,32+,33+,34+,35+,36+,37+,38+,39+,40+,41+,42-,43-,44-,45-,46+,47+,48-,49+,50+,51+,52+,53+,54+,55+,56+,57+,58-,59-,60-,61+,62-,63-,64-,65-,66-,69-,70-/m0/s1
• InChIKey: BPVSKCRAYXXTLZ-HNNDCRBQSA-N
• XLogP: -20.83
• TPSA: 893.76 Ų
• H-Bond Donors: 33
• H-Bond Acceptors: 49
• Rotatable Bonds: 39
• Heavy Atoms: 126
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	1844.69
LogP ≤ 5	-20.83
H-Bond Donors ≤ 5	33
H-Bond Acceptors ≤ 10	49

Frequently Asked Questions

What is the IUPAC name of (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid?

The IUPAC name of (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid (CID 91847634) is (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid.

What is the SMILES notation for (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid?

The canonical SMILES for (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid is CC(=O)N[C@H]1[C@H](OC[C@@H](O)[C@H](O)[C@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[C@]3(C(=O)O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O3)[C@H]2O)[C@H](CO)NC(C)=O)O[C@H](CO)[C@@H](O[C@@H]2O[C@H](CO)[C@H](O)[C@H](O[C@@H]3O[C@H](CO)[C@@H](O[C@@H]4O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]4O)[C@H](O[C@@H]4O[C@H](CO)[C@H](O)[C@H](O[C@]5(C(=O)O)C[C@H](O)[C@@H](NC(C)=O)[C@H]([C@H](O)[C@H](O)CO)O5)[C@H]4O)[C@H]3NC(C)=O)[C@H]2O)[C@@H]1O.

What is the InChIKey of (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid?

The InChIKey is BPVSKCRAYXXTLZ-HNNDCRBQSA-N. The full InChI is InChI=1S/C70H117N5O51/c1-18-39(94)47(102)48(103)63(112-18)120-54-34(16-83)117-62(38(75-23(6)88)57(54)121-66-51(106)60(45(100)32(14-81)115-66)126-70(68(109)110)8-26(90)36(73-21(4)86)56(124-70)41(96)28(92)11-78)122-58-43(98)30(12-79)113-64(49(58)104)119-53-33(15-82)116-61(37(46(53)101)74-22(5)87)111-17-29(93)42(97)52(24(9-76)71-19(2)84)118-65-50(105)59(44(99)31(13-80)114-65)125-69(67(107)108)7-25(89)35(72-20(3)85)55(123-69)40(95)27(91)10-77/h18,24-66,76-83,89-106H,7-17H2,1-6H3,(H,71,84)(H,72,85)(H,73,86)(H,74,87)(H,75,88)(H,107,108)(H,109,110)/t18-,24-,25-,26-,27+,28+,29+,30+,31+,32+,33+,34+,35+,36+,37+,38+,39+,40+,41+,42-,43-,44-,45-,46+,47+,48-,49+,50+,51+,52+,53+,54+,55+,56+,57+,58-,59-,60-,61+,62-,63-,64-,65-,66-,69-,70-/m0/s1.

What are the key properties of (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid?

(2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid has a molecular weight of 1844.69 g/mol, XLogP of -20.83, 39 rotatable bonds, 33 hydrogen bond donors, and 49 hydrogen bond acceptors.

Where does this data come from?

All data for (2S,4S,5R,6R)-5-acetamido-2-[(2R,3R,4S,5S,6R)-2-[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2S,3R,4S,5S,6R)-2-[(2R,3S,4R,5R,6R)-5-acetamido-6-[(2R,3S,4R,5S)-5-acetamido-4-[(2R,3R,4S,5S,6R)-4-[(2S,4S,5R,6R)-5-acetamido-2-carboxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3,6-trihydroxyhexoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-6-(hydroxymethyl)-5-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-4-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-4-hydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid is sourced from PubChem (CID 91847634), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).