(S,S)-2,2'-异亚丙基双(4-苯基-2-恶唑啉)

4,4-dimethyl-1,2-bis(4-methylphenyl)pyrazolidine-3,5-dione

3-羟基-2-甲基-1-苯基丙烷-1-酮

1,3-bis(diphenylphosphanyl)-2,2-dimethylpropane-1,3-dione

1,3-bis(4-methoxyphenyl)-2,2-dimethylpropane-1,3-dione