20426-78-2
4-bromo-3,4-dihydro-2H-1-benzoxepin-5-one
+
16982-21-1
硫代草氨酸乙酯
→
1189816-01-0
ethyl 4,5-dihydro-[1]benzoxepino[5,4-d][1,3]thiazole-2-carboxylate