1-(1,4-dihydroxy-5,8-dimethoxynaphthalen-2-yl)-4-methylpent-3-en-1-one

2-(1-hydroxy-4-methylpent-3-en-1-yl)-5,8-dimethoxynaphthalene-1,4-diol

(R)-3-(tert-butyldimethylsilyloxy)-3-(1,4,5,8-tetramethoxynaphthalen-2-yl)propanal

(R)-tert-butyldimethyl-(4-methyl-1-(1,4,5,8-tetramethoxynaphthalen-2-yl)pent-3-enyloxy)silane

(R)-6-(1-acetoxy-4-methylpent-3-enyl)-5,8-dimethoxynaphthalene-1,4-diyl diacetate