6-nitro-2,3-dihydro-1-benzofuran-5-ylamine

5-氨基-2,3-二氢苯并[b]呋喃

5-acetamido-2,3-dihydrobenzo[1,2-b]furan

3-苯并呋喃酮

2,3-二氢苯并呋喃