673-22-3
2-羟基-4-甲氧基苯甲醛
+
105-56-6
氰乙酸乙酯
→
~86%
13229-92-0
3-氰基-7-甲氧基香豆素
6093-72-7
ethyl 7-methoxy-2-oxochromene-3-carboxylate
109-77-3
丙二腈
~83%
794517-54-7
7-methoxy-2-imino-2H-chromene-3-carbonitrile
~82%