52011-72-0
(5E)-2-amino-5-hydroxyimino-1H-pyrimidine-4,6-dione
→
527-57-1
2,5-二氨基-(6ci,7ci,9ci)-4,6(1H,5h)-嘧啶二酮
879-08-3
9-乙基鸟嘌呤