17-ALPHA,20-ALPHA-21-TRIHYDROXYPREGN-4-ENE-3,11-DIONE

17-BETA-HYDROXY-18A-HOMO-19-NOR-17-ALPHA-PREGN-4-EN-20-YN-3-ONE

17-HO-10,13-DIMETHYL-17-VINYL-TETRADECAHYDRO-CYCLOPENTA(A)PHENANTHREN-3-ONE

17-HYDROXYACETYL-10,13-DIMETHYL-HEXADECAHYDRO-CYCLOPENTA(A)PHENANTHREN-3-ONE

17-OXO-5-ALPHA-ANDROSTAN-3-BETA-YL THIOPHENE-2'-CARBOXYLATE

17,17-ETHYLENEDIOXY-4,4-DIMETHYLANDROST-5-ENE-3-ONE

2'-FLUOROPHTHALANILIC ACID

2′-Hydroxy-2,3,4′,6′-tetramethoxychalcone

2′-Hydroxy-3,4,4′,6′-tetramethoxychalcone

2′-Hydroxy-4-methylchalcone

2′-羟基-4-甲基查尔酮

2'-IODO-2,2''-DIMETHOXY-(1,1',3',1'')TERPHENYL

2'-BENZOYL-4'-CHLORO-4-NITROBENZANILIDE

2'-CARBAMOYL-3,4,5,6-TETRACHLOROPHTHALANILIC ACID

2'-CHLORO-2-(4-CHLOROPHENYL)-5'-(TRIFLUOROMETHYL)ACETANILIDE

2'-CHLORO-3-NITRO-5'-(TRIFLUOROMETHYL)BENZANILIDE