IUPAC:8-(2,4-dihydroxy-6-methylbenzoyloxy)-1-[7-(2,4-dihydroxy-6-methylbenzoyloxy)-7-methyl-6,8-dioxo-7,8-dihydro-6H-isochromen-3-yl]-8-methyl-7,9-dioxo-1H,2H,3H,4H,7H,8H,9H-cyclohexa[c]chromene-2,3-dicarboxylic acid
IUPAC:8-(2,4-dihydroxy-6-methylbenzoyloxy)-1-[7-(2,4-dihydroxy-6-methylbenzoyloxy)-7-methyl-6,8-dioxo-7,8-dihydro-6H-isochromen-3-yl]-8-methyl-7,9-dioxo-1H,2H,3H,4H,7H,8H,9H-cyclohexa[c]chromene-2,3-dicarboxylic acid