1,4,8,11-tetraoxadispiro[4.1.4⁷.3⁵]tetradecane

1,4-二氧杂螺[4.5]癸烷-9-酮

3-(4-methoxyphenyl)cyclohex-2-en-1-one

7,8-二氢-2-甲基-5(6H)-喹啉酮

2-戊基环己-2-烯-1-酮