4-(9H-xanthen-9-yl)aniline

9-氰基呫吨

6-甲氧基-2,2-二甲基-4H-1,3-苯并二氧杂环己-4-酮

9,9'-Bixanthene

9-(2',4',6'-trimethoxyphenyl)-9H-xanthene