4’-(benzyloxy)-3,6-dimethoxy-[1,1’-biphenyl]-2,5-dione

4-(benzo[d][1,3]dioxol-5-yl)-4’-(benzyloxy)-3,6-dimethoxy-[1,1’-biphenyl]-2,5-dione

4-(benzo[d][1,3]dioxol-5-yl)-4’-(benzyloxy)-[1,1’-biphenyl]-2,3,5,6-tetrayl tetraacetate

4’’-(benzyloxy)-3,4-dihydroxy-[1,1’:4’,1’’-terphenyl]-2’,3’,5’,6’-tetrayl tetraacetate

4’’-(benzyloxy)-3,4-dioxo-3,4-dihydro-[1,1’:4’,1’’-terphenyl]-2’,3’,5’,6’-tetrayl tetraacetate