1-(2'-Hydroxy-5'-trifluoromethylphenyl)-5-trifluoromethyl-2(3H)-benzimidazolone 153587-01-0 2H-Benzimidazol-2-one, 1,3-dihydro-1-(2-hydroxy-5-(trifluoromethyl)phenyl)-5-(trifluoromethyl)- NS 1619 NS-1619