16638-85-0 2H-1,3,4-Oxadiazin-2-one, tetrahydro-4,5-dimethyl-6-phenyl-, cis-(-)- BRN 0522534 cis-(-)-3,4,5,6-Tetrahydro-4,5-dimethyl-6-phenyl-2H-1,3,4-oxadiazin-2-one