2,6,6-trimethyl-3-(2-methylpropoxy)cyclohex-2-en-1-one

7,7-二甲氧基-1-庚炔

7,7-dimethoxy-3-methyl-1-trimethylsilyl-1-heptyne

1,2-dimethyl imidazolinium iodide

1,1,4-trimethyl, 4-acetyl-ethylenediamine