1-(2,4,6-Trichlorophenyl)-3-(2-chloro-5-aminoanilino)-5-pyrazolone 3H-Pyrazol-3-one, 5-((5-amino-2-chlorophenyl)amino)-2,4-dihydro-2-(2,4,6-trichlorophenyl)- 5-((5-Amino-2-chlorophenyl)amino)-2,4-dihydro-2-(2,4,6-trichlorophenyl)-3H-pyrazol-3-one 53411-33-9 EINECS 258-542-0