74696-96-1
3-乙酰基-7-二乙基氨基-2H-色烯-2-酮
→
~78%
88735-44-8
3-(2-bromoacetyl)-7-(diethylamino)chromen-2-one
17754-90-4
4-(二乙氨基)水杨醛
20571-42-0
香豆素 110
+
64-19-7
乙酸