2,3-Dihydro-1-benzofuran-5-carbaldehyde2,3-Dihydro-5-formylbenzo[b]furan2,3-Dihydrobenzo[b]furan-5-carboxaldehyde2,3-Dihydro-1-benzofuran-5-carbaldehyde2,3-dihydrobenzo[b]furan-5-carbaldehyde2,3-Dihydrobenzofuran-5-carboxaldehyde2,3-二氢苯并呋喃-5-甲醛2,3-Dihydrobenzofuran-5-carboxaldehyde5-Formyl-2,3-dihydrobenzo[b]furan2,3-Dihydrobenzofuran-5-carbaldehyde5-Formyl-2,3-dihydrobenzofuran5-Formylcoumaran2,3-Dihydrobenzo[b]furan-5-carboxaldehyde