IUPAC:N-(1-carbamoyleth-1-en-1-yl)-2-{[(14S,17Z,27S)-17-ethylidene-14-[(1R)-1-hydroxyethyl]-27-(2-hydroxypropan-2-yl)-33-methyl-24,30,37,40-tetramethylidene-12,15,22,25,28,35,38-heptaoxo-19,32,42-trioxa-9-thia-3,13,16,23,26,29,36,39,44,45,46,47-dodecaazahexacyclo[39.2.1.1^{8,11}.1^{18,21}.1^{31,34}.0^{2,7}]heptatetraconta-1(43),2(7),3,5,8(47),10,18(46),20,31(45),33,41(44)-undecaen-4-yl]formamido}prop-2-enamide
IUPAC:N-(1-carbamoyleth-1-en-1-yl)-2-{[(14S,17Z,27S)-17-ethylidene-14-[(1R)-1-hydroxyethyl]-27-(2-hydroxypropan-2-yl)-33-methyl-24,30,37,40-tetramethylidene-12,15,22,25,28,35,38-heptaoxo-19,32,42-trioxa-9-thia-3,13,16,23,26,29,36,39,44,45,46,47-dodecaazahexacyclo[39.2.1.1^{8,11}.1^{18,21}.1^{31,34}.0^{2,7}]heptatetraconta-1(43),2(7),3,5,8(47),10,18(46),20,31(45),33,41(44)-undecaen-4-yl]formamido}prop-2-enamide