[diacetyloxy-(4-methoxyphenyl)plumbyl] acetate

4-hydroxy-5-methoxy-8,8-dimethyl-2H,8H-benzo[1,2-b:5,4-b']-dipyran-2-one

3,3-二甲基丙烯酸

2,4,6-三羟基苯乙酮一水合物

1-(7-羟基-5-甲氧基-2,2-二甲基-2H-苯并吡喃-6-基)乙酮