4949-44-4
丙酰乙酸乙酯
+
41340-34-5
2-(7-chloro-1H-indol-3-yl)ethanol
→
41340-22-1
2-(8-chloro-1-ethyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl)acetic acid