(1S,2R,3S,4S)-1-(3,4-Dimethoxy-phenyl)-6,7-dimethoxy-4-((R)-1-phenyl-ethoxy)-1,2,3,4-tetrahydro-naphthalene-2,3-dicarboxylic acid dimethyl ester

(1S,2R)-1-(3,4-Dimethoxy-phenyl)-6,7-dimethoxy-1,2-dihydro-naphthalene-2,3-dicarboxylic acid bis-[(R)-2-(3,4-dimethoxy-phenyl)-1-methoxycarbonyl-ethyl] ester

6-(3,4-dimethoxybenzyl)veratraldehyde

6-(3,4-dimethoxybenzyl)veratrldehyde ethylene glycol acetal

1-(3,4-dimethoxyphenyl)-3-hydroxy-5,6-dimethoxy-1,3-dihydrobenzothiophene 2,2-dioxide