3,4-二氢-2-苯基-2H-1-苯并吡喃

2-cyano-N'-[(Z)-(6-oxocyclohexa-2,4-dien-1-ylidene)methyl]acetohydrazide

6-[(2-phenylethylamino)methylidene]cyclohexa-2,4-dien-1-one

(5ar,10bc)-5a,10b-dihydrobenzo[b]benzo[4,5]furo[3,2-d]furan

2-(1-benzofuran-2-yl)phenol