Two New Spectrophotometric Methods for the Determination of Isoniazid in Bulk Form and Tablet Dosage Form.

Subjects: “…hydrazone…”

Novel colorimetric sensors for cyanide based on azo-hydrazone tautomeric skeletons

Subjects: “…Azo-hydrazone tautomeric switch…”

Synthesis, characterization and solvatochromic behaviour of new water-soluble 8-hydroxy-3,6-disulphonaphthyl azohydroxynaphthalenes

Subjects: “…azo-hydrazone tautomerism…”