IUPAC:2,5,10,13,17,19-hexahydroxy-7-methyl-15,22-dioxopentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{16,21}]docosa-1(14),2,4(9),5,7,12,16,18,20-nonaene-6-carboxylic acid
IUPAC:2,5,10,13,17,19-hexahydroxy-7-methyl-15,22-dioxopentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{16,21}]docosa-1(14),2,4(9),5,7,12,16,18,20-nonaene-6-carboxylic acid