1-(5-sec-butyl-2-methyl-phenyl)-ethanone

(+-)-6c-methyl-cyclohex-4-ene-1r,3c-dicarboxylic acid

溴

2-氯-1-(3,4-二甲基苯基)-乙酮

2-methyl-1-(2-methyl-5-propan-2-ylphenyl)propan-1-one