IUPAC:(3R,11S)-7,11,14-trihydroxy-18,18-dimethyl-3-(3-methylbut-2-en-1-yl)-2,10,19-trioxapentacyclo[11.8.0.0^{3,11}.0^{4,9}.0^{15,20}]henicosa-1(13),4(9),5,7,14,16,20-heptaen-12-one
IUPAC:(3R,11S)-7,11,14-trihydroxy-18,18-dimethyl-3-(3-methylbut-2-en-1-yl)-2,10,19-trioxapentacyclo[11.8.0.0^{3,11}.0^{4,9}.0^{15,20}]henicosa-1(13),4(9),5,7,14,16,20-heptaen-12-one