2-Methyl-4-(3,4-dichlorophenyl)perhydro-1,2,4-oxadiazine-3,6-dione 2H-1,2,4-Oxadiazine-3,6-dione, dihydro-4-(3,4-dichlorophenyl)-2-methyl- 30148-97-1 Dihydro-4-(3,4-dichlorophenyl)-2-methyl-2H-1,2,4-oxadiazine-3,6-dione