IUPAC:(1S,2R,4S,6S,8R,12S,13S,14S,19R)-6-[(1R)-1,2-dihydroxy-2-methylpropyl]-12-hydroxy-1,2,8,14,18,18-hexamethyl-5-oxapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{14,19}]henicos-9-en-17-one
IUPAC:(1S,2R,4S,6S,8R,12S,13S,14S,19R)-6-[(1R)-1,2-dihydroxy-2-methylpropyl]-12-hydroxy-1,2,8,14,18,18-hexamethyl-5-oxapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{14,19}]henicos-9-en-17-one