ethyl (E)-6-(6-carboxamidopyridin-2-yl)-4-methyl-4-hexenoate

6-甲基-2-吡啶甲醛

2-(1,3-二氧-2-基)-6-甲基吡啶

ethyl (E)-6-(6-formylpyridin-2-yl)-4-methyl-4-hexenoate

2-(2-hyddroxy-3-methyl-3-butenyl)-6-(1,3-dioxolan-2-yl)pyridine