22867-74-9
7-乙基吲哚
+
79-37-8
草酰氯
→
~67%
111478-90-1
ethyl 2-(7-ethyl-1H-indol-3-yl)-2-oxoacetate
64-17-5
乙醇
111478-86-5
2-(1,8-diethyl-4-oxo-9H-pyrano[3,4-b]indol-1-yl)acetic acid
111478-84-3
methyl 2-(1,8-diethyl-4-oxo-9H-pyrano[3,4-b]indol-1-yl)acetate