2-甲基-2-丙基环己烷-1,3-二酮

(2-氧代-6-辛炔)磷酸二甲酯

2-methyl-3-pyrrolidin-1-ylcyclohex-2-en-1-one

3-bromo-2-methylcyclohex-2-en-1-one

3-iodo-2-methylcyclohex-2-en-1-one