Bleomycin Sulfate EP Impurity D

Chemical Name: demethylbleomycin A2 ; (2R,3S,4S,5R,6R)-2-(((2R,3S,4S,5S,6S)-2-((2S)-2-(6-amino-2-((S)-3-amino-1-(((S)-2,3-diamino-3-oxopropyl)amino)-3-oxopropyl)-5-methylpyrimidine-4-carboxamido)-3-(((2R,3S,4S)-3-hydroxy-5-(((2S,3R)-3-hydroxy-1-((2-(4-((3-(methylthio)propyl)carbamoyl)-[2,4'-bithiazol]-2'-yl)ethyl)amino)-1-oxobutan-2-yl)amino)-4-methyl-5-oxopentan-2-yl)amino)-1-(1H-imidazol-4-yl)-3-oxopropoxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)oxy)-3,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-4-yl carbamate

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](NC[C@H](N)C(N)=O)CC(N)=O)=NC(N)=C3C)=O)C(N[C@H](C)[C@@H](O)[C@H](C)C(N[C@@H]([C@H](O)C)C(NCCC4=NC(C5=NC(C(NCCCSC)=O)=CS5)=CS4)=O)=O)=O)C6=CNC=N6)O[C@@H]1CO