2-azido-1-(3,4-dihydroxy-phenyl)-ethanone

N-(3,4-dimethoxy-phenacyl)-benzamide

2,5-bis-(3,4-dimethoxy-phenyl)-pyrazine

2-amino-1-(3,4-dimethoxy-phenyl)-ethanone

2-chloro-3',4'-dihydroxyacetophenone