2-(2,4-Dichloro-5-nitrophenyl)-4-(difluoromethyl)-2,4-dihydro-5-methyl-3H-1,2,4-triazol-3-one (CAS NO.111992-17-7) is also named as 3H-1, 2, 4-Triazol-3-one, 2-(2, 4-dichloro-5-nitrophenyl)-4-(difluoromethyl)-2, 4-dihydro-5-methyl- .