3,3-二(3,4-二羟基苯基)异苯并呋喃-1(3H)-酮

benzene-1,2-diol,methanesulfonic acid

1-methoxy-2-prop-2-enoxy-3-prop-2-enylbenzene

4-(benzenesulfonyl)benzene-1,2-diol

邻苯二酚-4-磺酸铵