6964-55-2
(6CI,8CI,9CI)-4-氨基-2-甲氧基-5-嘧啶甲腈
→
~78%
26664-09-5
4-氨基-2-甲氧基嘧啶-5-甲醛
209849-69-4
methyl 2-methoxy-7-oxo-8H-pyrido[2,3-d]pyrimidine-6-carboxylate