116344-12-8
1-苯基-5-丙基-1H-吡唑-4-羧酸乙酯
→
~80%
116344-17-3
1-苯基-5-丙基-1H-吡唑-4-羧酸
112381-21-2
(E)-ethyl 2-((dimethylamino)methylene)-3-oxohexanoate
3249-68-1
丁酰乙酸乙酯