1-dimethoxyphosphoryl-4-methylpent-3-en-2-one

(E)-1-(4-methylphenyl)-3-oxo-5-methyl-1,4-hexadiene

甲基碘

2-methyl-6-(4-methylphenyl)hepta-2,5-dien-4-one

((E)-1-Ethoxy-3-p-tolyl-but-1-enyloxy)-trimethyl-silane