2-amino-1-methyl-6-(4-hydroxyphenyl)imidazo(4,5-b)pyridine
2-Pyrrolidinone, 3-acetyl-1,3-dimethyl-4-methylene- (9CI)
2-氨基-4-(2-羟基乙氧基)-6-羰基-1,6-二氢-5-嘧啶甲腈
2-(methylseleninyl)benzanilide
2'-azido-2',3'-dideoxythymidine
2-Vinyl-4-benzylmorpholine
2-METHOXY-5-(N-PHTHALIMIDINYL)BENZENESULFONYL CHLORIDE
2H-Pyran-2-one,6-ethoxy-4-phenyl-(9CI)
2-CHLORO-3-(DICHLOROMETHYL)-4-HYDROXYBUT-2-ENOICACID
2-CHLORO-3-(DICHLOROMETHYL)-BUTENEDIOICACID
2H-Pyrrolo[2,3-f]benzothiazole(9CI)
2-BROMO-1-(5-FLUORO-2-HYDROXYPHENYL)ETHANONE
2-(2-BROMOETHYL)-1,3-PROPANEDIOL DIACETATE
2-(5-chlorocarbonyl-2-oxazolyl)-5,6-methylenedioxybenzofuran
2-[3-(4-chlorophenyl)-9-(4-ethoxy-3,5-dimethoxy-phenyl)-5-thia-1,2,7,8 -tetrazabicyclo[4.3.0]nona-2,6,8-trien-4-yl]acetic acid
2-[9-benzo[1,3]dioxol-5-yl-3-(4-bromophenyl)-5-thia-1,2,7,8-tetrazabic yclo[4.3.0]nona-2,6,8-trien-4-yl]acetic acid
2-[9-(3,4,5-trimethoxyphenyl)-5-thia-1,2,7,8-tetrazabicyclo[4.3.0]nona -2,6,8-trien-3-yl]acetic acid
2-Cyclobuten-1-one,3-methoxy-(9CI)
2-HYDROXY-2-VINYL-INDAN-1-ONE