(2R,3R,4R,5S,6S)-2-{[(2R,3S,4aR,4R,6S,7R,8aS)-6-{[(1R,2R,3S,4R,6S)-4,6-diamino-2,3-dihydroxycyclohexyl]oxy}-7-amino-4-hydroxy-3-[methyl(nitroso)amino]-2,3,4,4a,6,7,8,8a-octahydropyrano[3,2-b]pyran-2-yl]oxy}-5-amino-6-(hydroxymethyl)tetrahydropyran-3,4-diol