[Synthesis of 2,3-diazaphenothiazine. IX. Derivatives of 1- and 4-alkylamine, triazole and N-10-dialkylaminoalky 2,3-diazaphenothiazine].

Methods of synthesis are described for 10H-pyridazino[4,5-b] [1,4]benzothiazine with alkylamine groups at the 1 and 4 position, triazole derivatives of the same heterocycle containing a pentadecanoic chain and derivatives with dialkylaminoalkyl groups at N-10. The results of pharmacological and microbiological examination are reported.