Semaglutide Impurity 122

SSYLEGQAAKEFIAWLVRGRG; Ser-Ser-Tyr-Leu-Glu-Gly-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Arg-Gly-Arg-Gly; (5S,11S,14S,17S,20S,23S,26S,29S,32S,35S,38S,41S,44S,50S) -20- ((1H-indol-3-yl) methyl) -50- ((S) -2- ((S) -2- ((S) -2- ((S) -2-amino-3-hydroxypropanamido) -3-hydroxypropanamido) -3- (4-hydroxyphenyl) propanamido) -4-methylpentanamido) -44- (3-amino-3-oxopropyl) -35- (4-aminobutyl) -29-benzyl-26- ((S) -sec-butyl) -32- (2-carboxyethyl) -5,11-bis (3-guanidinopropyl) -17-isobutyl-14-isopropyl-23,38,41-trimethyl-4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49-hexadecaoxo-3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48-hexadecaazatripentacontanedioic acid