N-β-(3,4-dimethoxyphenyl)ethyl-2'-benzyloxy-3',4'-dimethoxyphenylacetamide
2'-benzyloxy-3',4'-dimethoxyphenylacetic acid
1-(2-Benzyloxy-3,4-dimethoxy-benzyl)-6,7-dimethoxy-3,4-dihydro-isoquinoline
formyl acetic anhydride
2',3',4'-trimethoxyacetophenone