8-Hydroxy-9,11-dimethoxy-6-methyl-14-oxa-benzo[a]naphthacen-7-one

2,4-Dimethoxy-6-(7-methoxy-5-methyl-4-oxo-4H-chromen-2-ylmethyl)-benzoic acid

8-hydroxy-1,3,9,11-tetramethoxy-6-methoxymethyl-14-oxa-benzo[α]naphthacen-7-one

acetic acid 4-(6,8-dimethoxy-1-oxo-1H-isochromen-3-yl)-2,6-dimethyl-phenyl ester

acetic acid 4-(6,8-dimethoxy-1,3-dioxo-isochroman-4-carbonyl)-2,6-dimethyl-phenyl ester