3,4-dihydro-2H-phenanthridine-1,7,10-trione

3,3-dimethyl-2,4-dihydrophenanthridine-1,7,10-trione

5-羟基苯并呋喃-2-羧酸乙酯

2,5-二羟基苄醇

5-(苄氧基)-2-羟基苯甲醛