IUPAC:(1R,3S,5S,7S,10S,11S,12S,14R,15R,18R)-12,18-dihydroxy-7-{[(2R,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy}-10,14-dimethyl-15-(5-oxo-2,5-dihydrofuran-3-yl)-2-oxapentacyclo[9.7.0.0^{1,3}.0^{5,10}.0^{14,18}]octadecan-13-one
IUPAC:(1R,3S,5S,7S,10S,11S,12S,14R,15R,18R)-12,18-dihydroxy-7-{[(2R,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy}-10,14-dimethyl-15-(5-oxo-2,5-dihydrofuran-3-yl)-2-oxapentacyclo[9.7.0.0^{1,3}.0^{5,10}.0^{14,18}]octadecan-13-one