IUPAC:(1R,8S,9S,10S)-8-hydroxy-11,11-dimethyl-5-(propan-2-yl)-16-oxatetracyclo[7.5.2.0^{1,10}.0^{2,7}]hexadeca-2(7),5-diene-3,4,15-trione
IUPAC:(1R,8S,9S,10S)-8-hydroxy-11,11-dimethyl-5-(propan-2-yl)-16-oxatetracyclo[7.5.2.0^{1,10}.0^{2,7}]hexadeca-2(7),5-diene-3,4,15-trione