About N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide
N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide (PubChem CID 91859217) has the molecular formula C90H150N6O64
and a molecular weight of 2340.17 g/mol. Its IUPAC name is N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide.
Frequently Asked Questions
What is the IUPAC name of N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide?
The IUPAC name of N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide (CID 91859217) is N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide.
What is the SMILES notation for N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide?
The canonical SMILES for N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide is CO[C@H]1[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]2[C@@H](O)[C@@H](CO)O[C@@H](O[C@H]3[C@H](O)[C@@H](NC(C)=O)[C@H](O[C@@H]4[C@@H](OC[C@H]5O[C@@H](O[C@H]6[C@H](O)[C@@H](NC(C)=O)[C@H](O[C@H]7[C@H](O)[C@@H](NC(C)=O)C(O)O[C@@H]7CO)O[C@@H]6CO)[C@@H](O[C@@H]6O[C@H](CO)[C@H](O)[C@H]6O)[C@@H](O[C@H]6O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]6O[C@@H]6O[C@H](CO)[C@@H](O[C@@H]7O[C@H](CO)[C@H](O)[C@H](O[C@@H]8O[C@H](CO)[C@H](O)[C@H](O)[C@H]8O[C@@H]8O[C@@H](C)[C@@H](O)[C@@H](O)[C@@H]8O)[C@H]7NC(C)=O)[C@H](O)[C@H]6NC(C)=O)[C@@H]5O)O[C@H](CO)[C@@H](O)[C@@H]4O)O[C@@H]3CO)[C@@H]2NC(C)=O)[C@@H]1O.
What is the InChIKey of N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide?
The InChIKey is PPKCJBMTJSIMCI-QNJPLEFUSA-N. The full InChI is InChI=1S/C90H150N6O64/c1-21-46(114)59(127)64(132)84(137-21)159-76-62(130)49(117)29(10-98)144-88(76)155-71-45(96-27(7)113)83(140-33(14-102)52(71)120)152-68-37(18-106)148-81(43(57(68)125)94-25(5)111)158-75-61(129)48(116)30(11-99)145-89(75)156-73-54(122)39(149-90(77(73)160-85-63(131)50(118)31(12-100)141-85)153-69-38(19-107)146-79(41(58(69)126)92-23(3)109)150-66-35(16-104)138-78(134)40(55(66)123)91-22(2)108)20-136-87-74(60(128)47(115)28(9-97)143-87)157-80-42(93-24(4)110)56(124)67(36(17-105)147-80)151-82-44(95-26(6)112)70(51(119)32(13-101)139-82)154-86-65(133)72(135-8)53(121)34(15-103)142-86/h21,28-90,97-107,114-134H,9-20H2,1-8H3,(H,91,108)(H,92,109)(H,93,110)(H,94,111)(H,95,112)(H,96,113)/t21-,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+,67+,68+,69+,70+,71+,72-,73-,74-,75-,76+,77-,78?,79-,80-,81-,82-,83-,84-,85-,86-,87-,88-,89+,90-/m0/s1.
What are the key properties of N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide?
N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide has a molecular weight of 2340.17 g/mol, XLogP of -26.15, 43 rotatable bonds, 38 hydrogen bond donors, and 64 hydrogen bond acceptors.
Where does this data come from?
All data for N-[(3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5S,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]-4-[(2R,3S,4S,5S,6R)-3-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5R,6R)-3-acetamido-4-[(2R,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy-5-hydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide is sourced from PubChem (CID 91859217), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).