4-CHLORO-5-(1-METHYLHYDRAZINO)-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE
4-CHLORO-5-(2-THIENYL)THIENO[2,3-D]PYRIMIDINE
4-CHLORO-5-(ETHYLTHIO)-2-PHENYLPYRIDAZINE-3(2H)-ONE
4-CHLORO-5,6-DIMETHYL-2-(TRIFLUOROMETHYL)PYRIMIDINE
4-CHLORO-5-[(2-FURYLMETHYL)THIO!-2-METHYLPYRIDAZIN-3(2H)-ONE,97
4'-CHLORO-5-FLUORO-2-HYDROXYBENZOPHENONE
4-CHLORO-5-HYDRAZINO-2-PHENYL-2,3-DIHYDROPYRIDAZIN-3-ONE
4-CHLORO-5-METHOXY-2-METHYL-2,3-DIHYDROPYRIDAZIN-3-ONE
4-CHLORO-5-METHYL-6-PHENYLTHIENO[2,3-D]PYRIMIDINE
4-CHLORO-5-METHYLBENZENE-1,2-DIAMINE