2-甲基-1,3-茚满二酮

indeno[1,2-d]thiadiazol-4-one

4-(4-methoxyphenyl)-2,3-diphenylindeno[1,2-b]pyridin-5-one

2-benzylindene-1,3-dione

2-[(4-methylsulfanylphenyl)methylidene]indene-1,3-dione