(9ci)-2-氰基-1-氧代-1H-茚-3-乙腈

2,2-diphenacylindene-1,3-dione

[2-[hydroxy(diphenyl)methyl]phenyl]-diphenylmethanol

1,5-二氢-3-甲氧基-2,4-苯并二氧杂环庚

2-(2-醌)-1H-茚-1,3(2H)-二酮