The crystal structure of the title compound, C19H16N2OS, has been dete
rmined. The core of the molecule (excluding the methyl group) is plana
r, with the largest deviation of 0.069(2) Angstrom for the O atom. An
intramolecular O-H...N-type hydrogen bond occurs between the hydroxyl
and amino groups [2.574(3) Angstrom].