103900-00-1 2H-1,2,4-Oxadiazine-5(6H)-thione, dihydro-2-acetyl-6-methyl-3-phenyl-, cis-(+-)- cis-(+-)-Dihydro-2-acetyl-6-methyl-3-phenyl-2H-1,2,4-oxadiazine-5(6H)-thione