4755-77-5
草酰氯单乙酯
+
4720-72-3
3,4-(甲二氧基)苯甲酰胺肟
→
~65%
884982-97-2
Ethyl 3-(1,3-benzodioxol-5-yl)-1,2,4-oxadiazole-5-carboxylate