2577-38-0
1,8-dihydropteridine-2,4,7-trione
+
77-78-1
硫酸二甲酯
→
19845-00-2
8-甲基蝶啶-2,4,7(1H,3H,8H)-三酮
2614-43-9
56128-57-5
6-(methylamino)-5-nitroso-1H-pyrimidine-2,4-dione