2-mercaptopurine-6,8-diol
2,8-Dimercaptohypoxanthine
2-METHYL-3-N-PROPYLPYRAZINE
2-Methyl-3-isopropylpyrazine
2-ethyl-5,6-dihydro-3-methylpyrazine
2-butyl-5,6-dihydro-3-methylpyrazine
2-[Azidoacetyl(methyl)amino]-5-chlorobenzophenone
2-(5-甲氧基-2-甲基-1H-吲哚-3-基)乙胺
2,5-Piperazinedione,3,6-bis(hydroxymethyl)-,trans-(8CI,9CI)
2,5-Piperazinedione,3,6-bis(hydroxymethyl)-,cis-(8CI,9CI)
2-(4-methoxyphenyl)-2-oxoacetaldehyde
2-chloro-5-(trifluoromethyl)benzylamine
2-Hydroxy-3-methyl-quinolizin-4-one
2,4-二氧代-3,4,6,7,8,9-六氢-2H-喹嗪-1-甲酸甲酯
2-Amino-5,6,7,8-tetrahydro-6,7-diphenyl-4(1H)-pteridinone
2,4a,5,6,7,8-Hexahydro-4a-hydroxy-2-imino-5-methyl-6,7-diphenylpteridin-4(3H)-one
2-Amino-4a,5,6,7,8,8a-hexahydro-4a-hydroxy-5-methyl-6,7-diphenylpteridin-4(3H)-one
2,4(1H,3H)-Pyrimidinedione, dihydro-6-thioxo- (9CI)
2-Methoxy-1-naphthonitrile
2-(BroMoMethyl)bicyclo[2.2.1]heptane