Ethyl N-[3-(N,N-dimethyl-carbamo-yl)pyridin-2-ylsulfon-yl]carbamate.

In the mol-ecular structure of the title compound, C(11)H(15)N(3)O(5)S, the amide group is nearly perpendicular to the pyridine ring, making a dihedral angle of 86.30 (13)°. The terminal ethyl group is disordered over two sites of equal occupancy. Inter-molecular N-H⋯O hydrogen bonding is present in the crystal structure.