2-环丙基-4-(4-氟苯基)-喹啉-3-羧酸乙酯

indeno[2,1-b]thiophen-4-one

3,4-dimethoxyfluoren-9-one

2,7-dimethoxy-9H-fluorene

2,3-二甲氧基-9H-芴-9-酮