1,3-dimethyl-6,7-diphenylpteridine-2,4-dione

6-氨基-5-甲酰氨基-1,3-二甲基尿嘧啶

5-(dimethylamino)-1,10a-dihydro-1,3-dimethyl-2H-pyrido<1,2-a>pyrimido<4,5-d>pyrimidine-2-4(3H)-dione

1,3-dimethyl-2H-pyrido<1,2-a>pyrimido<4,5-d>pyrimidine-2,4-5(1H,3H)-trione

6-氨基-5-(2-氯-乙酰基)-1,3-二甲基-1H-嘧啶-2,4-二酮