34667-64-6
Ethyl 8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxylate
→
~95%
34662-59-4
8-甲基-4-氧代-4H-吡啶基[1,2-A]嘧啶-3-羧酸
19056-88-3
((4-甲基-2-吡啶氨基)亚甲基)丙二酸二乙酯
695-34-1
2-氨基-4-甲基吡啶