2308-57-8
2-羟基嘌呤
+
49653-17-0
ETHYL 2-ETHOXY-2-HYDROXYACETATE
7732-18-5
水
→
65882-62-4
1,8-dihydropteridine-2,7-dione
23899-73-2
2(1H)-嘧啶酮,5,6-二氨基-
89324-38-9
100516-90-3
2,6,7-蝶啶三醇