3-羟基-4-碘苯甲酸甲酯

6-羟基苯半呋喃

6-羟基-2H-苯并呋喃-3-酮

6-t-butyldimethylsilyloxy-2,3- dihydrobenzo[b]furan-3-one

3-hydroxy-4-(2-propenyl)benzoic acid