1,2-bis(trimethylsilyloxy)-3,3,6,6-tetramethylcyclohex-1-ene

6-hydroxy-2,2,5,5-tetramethyl-1-cyclohexanone

diethyl 2,2,5,5-tetramethylhexanedioate

2,2,5,5-四甲基己烷二酸

2,2,5,5-tetramethylcyclohex-3-en-1-one