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

1-苄基-1,5-二氢-吡咯-2-酮

1-benzyl-5-tert-butyloxypyrrolidin-2-one

1-benzyl-5-(3-oxopentyl)pyrrolidin-2-one

1-(4-methoxyphenyl)pentan-3-one