7-carbomethoxy-3-<<6-(methoxyphenyl)-5(E)-hexenyl>oxy>-9-oxo-9H-xanthene-4-propanoic acid ethyl ester

6-hydroxy-9-oxo-9H-xanthene-2-carboxylic acid methyl ester

7-carbomethoxy-3-hydroxy-9-oxo-9H-xanthene-4-propanoic acid ethyl ester

3,3-diethoxy-2,3-dihydro-7-oxo-1H,7H-pyrano<2,3-c>xanthene-9-carboxylic acid methyl ester

3-(decyloxy)-7-carbomethoxy-9-oxo-9H-xanthene-4-propanoic acid ethyl ester