N-(fluoren-9-ylideneamino)fluoren-9-imine

9-羟基-9-芴甲酸甲酯

9,9-双[4-(2-羟乙氧基)苯基]芴

2,2',7,7'-四溴-9,9'-螺二芴

1-λ¹-oxidanyl-4-methylbenzene