The structure of the title compound, C7H10N3O2+. Br-, is composed of 1-meth
yl-4-(N-methylnitramino)pyridinium cations and bromide anions, with normal
electrostatic interactions. The cations are present in the nitramino form.
The N-NO2 nitramino group is twisted 51.5(4)degrees out of the plane of the
aromatic ring.