text: 3-[(Methyl-carbamo-yl)amino]-1H-isoindolium chloride.
  The title compound, C(10)H(12)N(3)O(+).Cl(-), is a derivative of o-phthaldehyde and methyl-thio-urea. The mol-ecules form dimers through intra- and inter-molecular N-H...O hydrogen bonds. The dimers are further linked into chains through one C-H...Cl and two N-H...Cl hydrogen bonds.
  