3,3,5,5-tetramethyl-2-nitrocyclohexan-1-one

4,4,6,6-tetramethylazepan-2-one

3,3,5,5-tetramethylcyclopentene-1-carboxylic acid

1,3,3,5,5-五甲基环己胺甲烷磺酸盐

4,4,6,6-tetramethylcyclohexane-1,2,3-trione