IUPAC:(2E,5S,6S,10S,11E,14S)-5,18-dihydroxy-20-methoxy-8,8,14-trimethyl-7,9,15-trioxatricyclo[15.4.0.0^{6,10}]henicosa-1(21),2,11,17,19-pentaen-16-one
IUPAC:(2E,5S,6S,10S,11E,14S)-5,18-dihydroxy-20-methoxy-8,8,14-trimethyl-7,9,15-trioxatricyclo[15.4.0.0^{6,10}]henicosa-1(21),2,11,17,19-pentaen-16-one