Chemical Formula: C50H51N15O15S

2-{[17-ethylidene-12,15,22,25,28,35,38-heptahydroxy-14-(1-hydroxyethyl)-27-(2-hydroxypropan-2-yl)-33-methyl-24,30,37,40-tetramethylidene-19,32,42-trioxa-9-thia-3,13,16,23,26,29,36,39,44,45,46,47-dodecaazahexacyclo[39.2.1.1⁸,¹¹.1¹⁸,²¹.1³¹,³⁴.0²,⁷]heptatetraconta-1(43),2,4,6,8(47),10,12,15,18(46),20,22,25,28,31(45),33,35,38,41(44)-octadecaen-4-yl]formamido}-n-[1-(c-hydroxycarbonimidoyl)ethyl]prop-2-enimidic acid

2-{[(14s,17z,27s)-17-ethylidene-12,15,22,25,28,35,38-heptahydroxy-14-[(1r)-1-hydroxyethyl]-27-(2-hydroxypropan-2-yl)-33-methyl-24,30,37,40-tetramethylidene-19,32,42-trioxa-9-thia-3,13,16,23,26,29,36,39,44,45,46,47-dodecaazahexacyclo[39.2.1.1⁸,¹¹.1¹⁸,²¹.1³¹,³⁴.0²,⁷]heptatetraconta-1(43),2,4,6,8(47),10,12,15,18(46),20,22,25,28,31(45),33,35,38,41(44)-octadecaen-4-yl]formamido}-n-[(1s)-1-(c-hydroxycarbonimidoyl)ethyl]prop-2-enimidic acid