(1S,2R,4R)-4-Hydroxy-2-(5-methoxy-1-methoxymethoxy-naphthalene-2-carbonyl)-cyclohexanecarboxylic acid methyl ester

4-Oxo-2-(1,4,5-trimethoxy-naphthalen-2-ylmethyl)-cyclohexanecarboxylic acid ethyl ester

2-Ethynyl-2-hydroxy-6,7,11-trimethoxy-2,3,4,4a,12,12a-hexahydro-1H-naphthacen-5-one