N-[(2R,3R,4R,5S,6R)-5-{[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-yl]oxy}-3,4-dihydroxy-6-(hydroxymethyl)-3,4,5,6-tetrahydro-2H-pyran-2-yl]-6-chloro-4-nitroso-1,1-dioxo-3,4-dihydro-2H-1λ6-benzo[e][1,2,4]thiadiazine-7-sulfonamide