1,4-Bis(1-phenyl-1H-tetrazol-5-ylsulfanyl)butane

In the title compound, C₁₈H₁₈N₈S₂, the two 1-phenyl-1H-tetrazole-5-thiol moieties are located on the same side of the butane-1,4-diyl chain but point in opposite directions.

2-Benzyl­oxy-3-nitro­pyridine

The mol­ecule of the title compound, C₁₂H₁₀N₂O₃, is non-planar. The nitro group is twisted out of the pyridine ring plane by 31.0 (1)°. Inversion-related mol­ecules are arranged in layers.

3-Hydr­oxy-4-methoxy­benzaldehyde isonicotinoylhydrazone monohydrate

The asymmetric unit of the title compound, C₁₄H₁₃N₃O₃·H₂O, consists of one isonicotinic acid (3-hydr­oxy-4-methoxy­benzyl­idene)hydrazide (IBH) mol­ecule and one water mol­ecule connected through an O—H...O hydrogen bond. Further O—H...O, O—H...N and N—H...O hydrogen bonds result in the formation of an intricate three-dimensional supramolecular network.

2-Amino-2′-chloro-5-methyl­benzophenone

The title compound, C₁₄H₁₂ClNO, was synthesized by the photo-Fries reaction of 2-chloro-N-(4-methyl­phen­yl)­benzamide in acetonitrile. The crystal structure contains intra­molecular N—H...O and inter­molecular N—H...O hydrogen bonds.

3-Hydr­oxy-4-methoxy­benzaldehyde (pyridine-2-carbon­yl)hydrazone

The molecule of the title compound, C₁₄H₁₃N₃O₃, is nearly planar. The crystal structure is stabilized mainly through inter­molecular O—H...O, N—H...O and C—H...O hydrogen bonds