IUPAC:3,7,9-trihydroxy-17-methyl-5,12-dioxo-16,20-dioxapentacyclo[15.2.1.0^{2,15}.0^{4,13}.0^{6,11}]icosa-2,4(13),6,8,10,14-hexaene-1-carboxylic acid
IUPAC:3,7,9-trihydroxy-17-methyl-5,12-dioxo-16,20-dioxapentacyclo[15.2.1.0^{2,15}.0^{4,13}.0^{6,11}]icosa-2,4(13),6,8,10,14-hexaene-1-carboxylic acid