IUPAC:(5R,9R)-5,9-dimethyl-14,17-dioxo-20-(propan-2-yl)pentacyclo[10.6.2.0^{1,10}.0^{4,9}.0^{13,18}]icosa-15,19-diene-5-carboxylic acid
IUPAC:(5R,9R)-5,9-dimethyl-14,17-dioxo-20-(propan-2-yl)pentacyclo[10.6.2.0^{1,10}.0^{4,9}.0^{13,18}]icosa-15,19-diene-5-carboxylic acid