3,3-二甲基1,5-二氧杂螺[5.5]十一烷

benzyl N-cyclohexylcarbamate

ethyl 4-cyclohexylidene-4-trimethylsilyloxybutanoate

1,1-二丁氧基环己烷

methyl 2-acetamido-2-cyclohexylideneacetate