67-56-1
甲醇
+
118055-06-4
4,5,6,7-四氢吡唑并[1,5-a]吡啶-3-羧酸乙酯
→
~94%
132255-61-9
methyl 4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carboxylate