7,9-二氢-3,9-二甲基-1H-嘌呤-2,6,8(3H)-三酮

二苯胺氯胂

[diphenyl(tritylperoxy)methyl]benzene

1-methylsulfanyl-2-methylsulfonylbenzene

3-benzoyl-6-phenylpyran-2,4-dione