The title compound, C9H14N3O2S+.I-, is a new drug developed as a struc
tural derivative of the antihypertensive agent diazoxide, The C atom a
t the 3 position is sp(3) hybridized, whereas in the related compounds
for which the structures have been determined so far it is sp(2) hybr
idized. The distances and angles around the N atom in the aromatic rin
g are consistent with a pyridinium cationic moiety.