ETHYL 4-[(2,5-DICHLOROPHENYL)AZO]-4,5-DIHYDRO-5-OXO-1-PHENYL-1H-PYRAZOLE-3-CARBOXYLATE CAS:2008-88-0 ETHYL 4-AMINO-3-(2,6-DIMETHYLPHENYL)-2-THIOXO-2,3-DIHYDRO-1,3-THIAZOLE-5-CARBOXYLATE CAS:312922-21-7 |