2-ALPHA,3-ALPHA-EPOXY-5-ALPHA-CHOLESTANE

2-AMINO-1-(2-(4-CL-PH)-2-OXO-ET)-3-(2-DIETHYLAMINO-ET)-BENZOIMIDAZOL-1-IUM, BR

2-(N-(3,4-DICHLOROPHENYL)CARBAMOYL)AMINO-6-METHOXYBENZOTHIAZOLE

2-(N-ETHYLANILINO)-1-ETHANESULFONIC ACID, POTASSIUM SALT

2-(N,N-Dimethylamino)-6-iodopyrazine

2-(OCTADECYLTHIO)BENZOTHIAZOLE

2-(P-CHLOROPHENYL)-QUINOLINE-4-CARBOXYLIC ACID

2-(P-TOSYLAZO)QUINOLINE

2-(PHENYLACETYL)BENZAMIDE

2-(Piperidin-4-yl)-1,2,3,4-tetrahydroisoquinoline hydrochloride

2-AMINO-1-(4-NITROPHENYL)-1,3-PROPANEDIOL

2-AMINO-3-(4-CHLOROPHENYLAZO)-6-METHYLPYRIDINE

2-AMINO-3-CYANOQUINOLINE-4-CARBOXYLIC ACID, SODIUM SALT

2-ACETAMIDO-6-CHLOROFLUORENE

2-ACETOACETAMIDO-6-METHYLPYRIDINE