1-(2-oxopropyl)indole-2,3-dione

3,3,5,5-四甲基-1,2,4-三硫杂戊环

3,3,6,6-四甲基-1,2,4,5-四噻烷

1-(2,4-二氯苯基氨基)丙烷-2-酮

1-[phenyl(phenylmethoxy)phosphoryl]propan-2-one