110-89-4
哌啶
+
21813-35-4
5-(4-chloro-3-nitrophenyl)-6-ethylpyrimidine-2,4-diamine
→
~91%
104484-42-6
6-ethyl-5-(3-nitro-4-piperidin-1-ylphenyl)pyrimidine-2,4-diamine
58-14-0
乙胺嘧啶