3-Benzyl-6-(4,5-dimethoxy-2-vinylphenyl)-2,4(1H,3H)-pyrimidinedione
3-Benzyl-9,10-dimethoxy-3,4,6,7-tetrahydro-2H-pyrimido<6,1-a>isoquinoline-2,4-dione
3-Benzyl-6-(4,5-dimethoxy-2-ethylphenyl)-3,4-dihydro-4-thioxo-2(1H)-pyrimidinone
3-Benzyl-6-(4,5-dimethoxy-2-ethylphenyl)-2,4(1H,3H)-pyrimidinedione
3-isopropyl-9,10-dimethoxy-2-(2,4,6-trimethyl-phenylimino)-2,3,6,7-tetrahydro-pyrimido[6,1-a]isoquinolin-4-one