N-{[(2R,3S,4S,5R,6R)-6-{[(1S,2R,3S,4S,6S)-3-{[(2R,3R,4R,5R)-3,5-dihydroxy-5-methyl-4-[methyl(nitroso)amino]-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-4-amino-6-(formylamino)-2-hydroxycyclohexyl]oxy}-3,4,5-trihydroxy-3,4,5,6-tetrahydro-2H-pyran-2-yl]methyl}methanamide