3-bromo-2-(2-methoxycarbonyl-6-methoxy-4-methyl)phenyl-5,6,7,8-tetrahydrojuglone

2-(2,4-Dichloro-3,6-dioxo-cyclohexa-1,4-dienyl)-3-methoxy-5-methyl-benzoic acid methyl ester

2-2'-carbobenzyloxy-6'-methoxy-4'-methylphenyl-3,5-dichloro-1,4-hydroquinone

2-2'-carbobenzyloxy-6'-methoxy-4'-methylphenyl-3,5-dichloro-1,4-benzoquinone

2-2'-carbobenzyloxy-6'-methoxy-4'-methylphenyl-3,4a-dichloro-5,8,8a-trihydro-5-trimethylsilyloxy-1,4-naphthoquinone