4,5-Dimethyl-1,2,3,6-tetrahydrophthalic acid N-(benzoylmethyl)imide 4,5-Dimethyl-N-phenacyl-4-cyclohexene-1,2-dicarboximide 4-Cyclohexene-1,2-dicarboximide, 4,5-dimethyl-N-phenacyl- GW4750000