IUPAC:(1R,2S,4R,6R,8S,9S,12S,13R)-8-acetyl-6,9,13-trimethyl-6-phenyl-5,7-dioxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-17-en-16-one
IUPAC:(1R,2S,4R,6R,8S,9S,12S,13R)-8-acetyl-6,9,13-trimethyl-6-phenyl-5,7-dioxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-17-en-16-one