105889-15-4 2H-1,3,4-Oxadiazin-2-one, 3,6-dihydro-6-(4-chloro-m-tolyl)-5,6-dimethyl- 2H-1,3,4-Oxadiazin-2-one, 6-(4-chloro-3-methylphenyl)-3,6-dihydro-5,6-dimethyl- 3,6-Dihydro-6-(4-chloro-m-tolyl)-5,6-dimethyl-2H-1,3,4-oxadiazin-2-one