109-73-9
正丁胺
+
41095-07-2
4-chloro-1-ethyl-6-methyl-1H-Pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester
→
~71%
41094-88-6
西卡唑酯
3528-58-3
5-氨基-1-乙基吡唑
41095-06-1
ethyl 1-ethyl-4-hydroxy-6-methyl-2H-pyridine-3-carboxylate
570-08-1
乙酰基丙二酸二乙酯