4-ethyl-1-trimethylsilylhexa-1,4-dien-3-one

1-(2-乙基萘-1-基)丙-1-酮

2-ethyl-3,4-dimethyl-2H-furan-5-one

2-(4-methoxyphenyl)pentan-3-one

2,4-bis(4-methoxyphenyl)pentan-3-one