((3S,6R,9S,15R,20R,23S,26S,29R,37R,40S,45aS)-40-(2-amino-2-oxoethyl)-26-(2-carboxyethyl)-23-(4-hydroxybenzyl)-9-((R)-1-hydroxyethyl)-3-methyl-1,4,7,10,13,22,25,28,31,32,38,41,47-tridecaoxotetracontahydro-19H-37,20-(epiminomethano)-6,29-(methanodithiomethano)pyrrolo[2,1-s][1,2,27,28]tetrathia[5,8,11,14,17,20,23,32,35,38,41] undecaazacyclotritetracontine-15-carbonyl)-L-tyrosine and ((3S,6R,9S,15R,20R,23S,26S,29R,37R,40S,45aS)-40-(2-amino-2-oxoethyl)-26-(2-carboxyethyl)-32,32-dihydroxy-23-(4-hydroxybenzyl)-9-((R)-1-hydroxyethyl)-3-methyl-1,4,7,10,13,22,25,28,31,38,41,47-dodecaoxotetracontahydro-19H-37,20-(epiminomethano)-6,29-(methanodithiomethano)pyrrolo[2,1-s][1,2,27,28]tetrathia[5,8,11,14,17,20,23,32,35,38,41]undecaazacyclotritetracontine-15-carbonyl)-L-tyrosine

1422389-15-8 (ketone form); 1422389-16-9 (diol form)

C₅₉H₇₆N₁₄O₂₂S₆. C₅₉H₇₈N₁₄O₂₃S₆

1525.69 1543.71