A specific group of atoms within a molecule that are responsible for the characteristic chemical reactions of that molecule.
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Urea, N,N-dihexyl-N'-phenyl-
4,4,5,5-tetramethyl-2-(2-phenoxyethyl)-1,3,2-dioxaborolane
Dimethyl-(1,2,2,3,3,4,4,5,5-nonaphenyl-pentasilolan-1-yl)-amine
2-Furanmethanol, a-(4-methoxyphenyl)-
4-Pentenoic acid, 4-[(dimethylphenylsilyl)methyl]-3-(hydroxymethyl)-, methyl ester
3-bromodibenzo[g,p]chrysene
dimethyl 1-benzyl-3-(dicyanomethyl)-2-oxoindolin-3-ylphosphonate
N,N-dibenzyl-2-ethynylaniline
(S)-2-[2-((S)-2-{(S)-2-[2-(2-Hydroxy-phenyl)-acetylamino]-3-phenyl-propionylamino}-3-phenyl-propionylamino)-acetylamino]-4-methyl-pentanoic acid ((S)-1-carbamoyl-3-methylsulfanyl-propyl)-amide
6-Hydroximino-4-androstene-3,17-dione
(2S,3S)-3-METHYLPYRROLIDINE-2-CARBOXYLIC ACID
ethyl (2Z)-3-(4-methoxyphenyl)-2-{[(4-methylphenyl)sulfonyl]methyl}prop-2-enoate
4'-pentenyl 2-acetamido-4-O-acetyl-3,6-di-O-benzyl-2-deoxy-β-D-glucopyranoside
(1S,2R,3R,4S)-4,5-Bis-benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-1-phenyl-pentane-1,3-diol
4-Ethyl-1,3-thiazole-2-carboxylic acid
2H-1-Benzopyran-2-one, 3-(4-bromophenyl)-4-hydroxy-
5'-NITRO-O-FORMOTOLUIDIDE
Benzene, 1,1'-[1-(1-methylethoxy)-1,2-ethenediyl]bis-
4-(propane-2-sulfonyl)aniline
1-(4-acetylphenyl)-3-(2-naphthyloxy)pyrrolidine-2,5-dione
Pyridine
Maleic anhydride
2-Butanone, 3,3-dimethyl-1-[(4-methylphenyl)sulfinyl]-, (S)-
ethyl 2,2-difluoro-3-oxo-5-phenylpentanoate
1,3-Propanedione, 1-(3-bromophenyl)-3-phenyl-
2,4,6,8-Nonatetraenal, 9-(4-chlorophenyl)-3,7-dimethyl-, (Z,E,E,E)-
2-(N-benzyl-N-tert-butoxycarbonylphenylalanyl)-1,3-thiazole
Ethanone, 1-[3-(decyloxy)phenyl]-
C42H62Si4
(E)-ethyl 6-(trityloxy)hex-2-en-4-ynoate
(R)-tert-butyl-(2-ethoxyoxiranylmethoxy)diphenylsilane
2H-Indol-2-one, 1,3-dihydro-3-hydroxy-7-methyl-3-phenyl-
4-Penten-1-one, 1-phenyl-, O-(pentafluorobenzoyl)oxime, (1E)-
5-azido-3-O-benzyl-5-deoxy-1,2-O-isopropylidene-α-D-xylofuranose
Benzene, (1-fluoro-2-iodo-1-pentenyl)-, (Z)-
(8S*,13aS*)-2-benzyloxy-5,6,13,13a-tetrahydro-3-methoxy-8-methyl-8H-isoquino<2,1-b><2,7>naphthyridine
4H-Furo[3,2-b]pyrrole, 4-(phenylmethyl)-
3,3′-(sulfonyldi-1,4-phenylene)bis(4-chlorosulfonyl)sydnone
(S)-benzyl [2-(2,6-dimethyl-3-oxoheptan-4-ylamino)-2-oxoethyl]-carbamate
[3-(tert-butyl-dimethyl-silanyloxymethyl)-5-iodo-phenyl]-methanol
2-Dodecyne, 1,1-diethoxy-4-[(triphenylmethyl)thio]-
2,5-Diphenyl-2H-1,2,3-triazol-4-carbonsaeureamid
1-benzyl-4-methyl-3-[4-(methylsulfanyl)phenyl]-4,5-dihydro-1H-pyrazole
(E)-1-(3-azidophenyl)-3-(4-hydroxy-3-methoxyphenyl)prop-2-en-1-one
4β-formyl-3β-methoxy-4α,5α-dimethylcyclohexanone
trans-2,7-Dimethyl-2,6-octadienyl-phenylthioether
(1R,2S)-1-phenyl-3-butene-1,2-diol
ethyl N-hydroxybenzenecarboximidoate
1,2-O-Isopropylidene-α-D-glucofuranose
