bromo-3 methoxy-4 coumarine

ethyl 3-acetylamino-2-benzofurancarboxylate

3-氨基苯并呋喃-2-甲酰胺

2-(氯甲基)[1]苯并呋喃并[3,2-d]嘧啶-4(3h-)-酮

3-chloroacetylamino-2-benzofurancarboxamide