2-(4-Chlorophenyl)-4-((4-chloro-2-(trifluoromethyl)phenyl)azo)-2,4-dihydro-5-methyl-3H-pyrazol-3-one 3H-Pyrazol-3-one, 2-(4-chlorophenyl)-4-((4-chloro-2-(trifluoromethyl)phenyl)azo)-2,4-dihydro-5-methyl- 67923-41-5 EINECS 267-756-3