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

Acetic acid (R)-2-acetyl-6,7,11-trimethoxy-5-oxo-1,2,3,4,4a,5,12,12a-octahydro-naphthacen-2-yl ester

3,4,12,12a-Tetrahydro-6,7,11-trimethoxy-2,5(1H,4aH)-naphthacendion

7-((tert-butyldimethylsilyl)oxy)-9-methoxy-3-methyl-3,4-dihydro-1Hbenzo[g]isochromene-5,10-dione

7,9-dihydroxy-3-methyl-3,4-dihydro-1H-benzo[g]isochromene-5,10-dione