2(1H)-Pyrimidinone, 6-(3,4-dimethoxyphenyl)-1-ethyl-3,4-dihydro-3-methyl-4-((2,4,6-trimethylphenyl)imino)- 6-(3,4-Dimethoxyphenyl)-1-ethyl-4-mesitylimino-3-methyl-3,4-dihydro-2(1H)-pyrimidinone 94936-90-0 FK 664 FK-664