for the following products
(E)-1,3-Dimethoxy-5-(4-methoxystyryl)benzene | (E)-3,5,4'-Trimethoxystilbene | 1,3-Dimethoxy-5-[(1E)-2-(4-methoxyphenyl)ethenyl]-benzene | 3,4',5-Trimethoxy-trans-stilbene | Resveratrol trimethyl ether and 3,5,4'-Trimethoxystilbene
