Bleomycin Sulfate EP Impurity A

Chemical Name: bleomycinic acid ; 2'-((3S,6R,7S,8S,11S)-1-(6-amino-2-((S)-3-amino-1-(((S)-2,3-diamino-3-oxopropyl)amino)-3-oxopropyl)-5-methylpyrimidin-4-yl)-3-((((2R,3S,4S,5S,6S)-3-(((2R,3S,4S,5R,6R)-4-(carbamoyloxy)-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)(1H-imidazol-4-yl)methyl)-7-hydroxy-11-((R)-1-hydroxyethyl)-6,8-dimethyl-1,4,9,12-tetraoxo-2,5,10,13-tetraazapentadecan-15-yl)-[2,4'-bithiazole]-4-carboxylic acid

Smile: O[C@H]1[C@H](OC(N)=O)[C@H](O)[C@@H](O[C@H]2[C@@H](O)[C@H](O)[C@H](CO)O[C@H]2OC([C@H](NC(C3=NC([C@H](CC(N)=O)NC[C@H](N)C(N)=O)=NC(N)=C3C)=O)C(N[C@@H]([C@@H](O)[C@H](C)C(N[C@H](C(NCCC4=NC(C5=NC(C(O)=O)=CS5)=CS4)=O)[C@@H](C)O)=O)C)=O)C6=CNC=N6)O[C@@H]1CO