1,7-Dihydro-5,7-dimethyl-3-phenyl-4H-pyrazolo[3,4-d]pyrimidin-4,6(5H)-dion

2-苄基丙二腈

丙二腈

6-[(2Z)-2-[[4-[二(2-氯乙基)氨基]苯基]亚甲基]肼基]-1,3-二甲基-嘧啶-2,4-二酮

5,7-dimethyl-1H-pyrazolo[3,4-d]pyrimidine-4,6-dione