3,6-dimethylxanthen-9-one

5-Phenylpentanoyl chloride

4-苄氧基-3,5-二甲基苯甲酰氯

1,2-bis(2,3,4,5,6-pentafluorophenyl)ethane-1,2-dione

四氢-2H-吡喃-2-羧醛