IUPAC:(1R)-1-[(1S,2R,4S,6S,8R,13S,14S,19R)-1,2,8,14,18,18-hexamethyl-17-oxo-5-oxapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{14,19}]henicosa-9,11-dien-6-yl]-2-hydroxy-2-methylpropyl acetate
IUPAC:(1R)-1-[(1S,2R,4S,6S,8R,13S,14S,19R)-1,2,8,14,18,18-hexamethyl-17-oxo-5-oxapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{14,19}]henicosa-9,11-dien-6-yl]-2-hydroxy-2-methylpropyl acetate