8-(3,4-dimethoxyphenyl)-6,7-dimethoxyisochroman-1-one

2-<2-(3,4-dimethoxyphenyl)-3,4-dimethoxyphenyl>-4,4-dimethyl-2-oxazoline

2-<2-(3,4-dimethoxyphenyl)-3,4-dimethoxy-6-(2-hydroxyethyl)-phenyl>-4,4-dimethyl-2-oxazoline