N-Nitroso Bleomycin B2

NA

(2R,3S,4S,5R,6R)-2-(((2R,3S,4S,5S,6S)-2-((1R,2S)-2-(6-amino-2-((S)-3-amino-1-(((S)-2,3-diamino-3-oxopropyl)(nitroso)amino)-3-oxopropyl)-5-methylpyrimidine-4-carboxamido)-3-(((2R,3S,4S)-5-(((2S,3R)-1-((2-(4-((4-guanidinobutyl)carbamoyl)-[2,4'-bithiazol]-2'-yl)ethyl)amino)-3-hydroxy-1-oxobutan-2-yl)amino)-3-hydroxy-4-methyl-5-oxopentan-2-yl)amino)-1-(1H-imidazol-5-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;