ethyl 5,5-dimethyl-4-oxohex-2-ynoate

(2-formyl-5-methoxyphenyl) 2,2-dimethylpropanoate

2,2-dimethyl-1-(2-methylaziridin-1-yl)propan-1-one

3,3-二甲基丁酰胺

新戊基醋酸酯