6,7-二氢-7,9-二甲基-6-(5-甲基-2-呋喃基)-11-苯基嘧啶并[4',5':3,4]吡咯并[1,2-a]喹喔啉-8,10(5H,9)-二酮

6-(2-hydroxyethyl)-1,3-dimethyl-5-phenyl-1H-pyrrolo[3,4-d]pyrimidine-2,4(3H,6H)-dione

7,9-dimethyl-6-(5-methylfuran-2-yl)-5-nitroso-11-phenyl-5,6-dihydropyrimido[4',5':3,4]pyrrolo[1,2-a]quinoxaline-8,10(7H,9H)-dione

5,7,9-trimethyl-6-(5-methylfuran-2-yl)-11-phenyl-5,6-dihydropyrimido[4',5':3,4]pyrrolo[1,2-a]quinoxaline-8,10(7H,9H)-dione

7,9-dimethyl-6-(5-iodofuran-2-yl)-11-phenyl-5,6-dihydropyrimido[4',5':3,4]pyrrolo[1,2-a]quinoxaline-8,10(7H,9H)-dione