1,3-二甲基-2,6-二氧代-1,2,3,6-四氢嘧啶-4-甲醛

5-(4-bromo-1-methyl-2,5-dioxopyrrol-3-yl)-1,3,6-trimethylpyrimidine-2,4-dione

(4aS,4bS,7aR,7bS)-4b,7a-dibromo-1,3,6,7b-tetramethyltetrahydro-1H-pyrrolo[3',4':3,4]cyclobuta[1,2-d]pyrimidine-2,4,5,7(3H,6H)-tetraone

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

2-(dimethylamino)-N-(1,3,4-trimethyl-2,6-dioxopyrimidin-5-yl)acetamide