3-(3-bromo-4,5-dimethoxyphenoxy)propanenitrile

5-bromo-6,7-dimethoxyspiro[chromane-4,2'-[1,3]dioxolane]

2,3-dibromo-4,5-dimethoxybenzaldehyde

4-[(E)-2-(4-hydroxy-3-methoxyphenyl)ethenyl]-2-methoxyphenol

(6)-shogaol