2,2-bis[1-(2-fluorophenyl)-2-nitroethyl]indene-1,3-dione

2-[(2-methylphenyl)methylidene]indene-1,3-dione

3-(二氰基亚甲基)靛酮

2-(pyridin-4-ylmethylidene)indene-1,3-dione

2-(1H-吲哚-3-基亚甲基)-1H-茚-1,3(2H)-二酮