591-28-6
4-硫尿嘧啶
→
~67%
3310-41-6
2-羟基-4-肼基嘧啶
6220-43-5
2(1H)-Pyrimidinone, 4-ethoxy- (6CI,7CI,8CI,9CI)
76044-31-0
[1,2,4]噻唑并[1,5-c]嘧啶-5(6h)-酮
877402-88-5
2-(三氟甲基)-[1,2,4]噻唑并[1,5-f]嘧啶-5-醇