3-Methyl-5-methyl-sulfanyl-1,3,4-thia-diazole-2(3H)-thione.

The title compound, C(4)H(6)N(2)S(3), has two very similar mol-ecules per asymmetric unit. The nine non-H atoms in each mol-ecule are coplanar, both having comparable r.m.

Benzyl 3-[(E)-(furan-2-yl)methyl-idene]-2-methyldithio-carbazate.

In the title compound, C(14)H(14)N(2)OS(2), the furan ring exhibits rotational disorder over two orientations, with an occupancy ratio of 0.508 (7):0.492 (7).

Methyl 3-(2-hy-droxy-benzyl-idene)-2-methyl-dithio-carbazate.

In the title compound, C(10)H(12)N(2)OS(2), the thione and S-methyl groups are syn. An intra-molecular bifurcated O-H⋯(S,N) hydrogen bond occurs.

5-Hy-droxy-3-methyl-5-phenyl-4,5-di-hydro-1H-pyrazole-1-carbothio-amide.

In the title compound C(11)H(13)N(3)OS, the aromatic ring and the dihydro-pyrazole ring are oriented orthogonally with respect to each other, making a dihedral angle of 89.92 (9)°. An intra-molecular O-H⋯S hydrogen bond occurs.