56319-13-2 | 10-Acetoxy-4-(2,5-dihydro-2-hydroxy-5-oxofuran-3-yl)-1,4,4a,5,6,6a,7,8,9,10,11,12-dodecahydro-4a,7,9,9-tetramethyl-2,13-dioxo-7,11-methano-2H-cycloocta[f][2]benzopyran-8-acetic acid methyl ester | 10-Acetoxy-4-(2,5-dihydro-2-hydroxy-5-oxofuran-3-yl)-1,4,4a,5,6,6a,7,8,9,10,11,12-dodecahydro-4a,7,9,9-tetramethyl-2,13-dioxo-7,11-methano-2H-cycloocta[f][2]benzopyran-8-acetic acid methyl ester |