92945-27-2
3-正丙基吡唑-5-甲酸乙酯
→
~73%
76424-47-0
3-丙基-1H-吡唑-5-羧酸
80540-58-5
p-nitrophenyl 2-cyano-3-(p-methoxyphenyl)propenoate
107-87-9
2-戊酮