作者: Olga T. Lushina , Julia A. Davydovskaya , Vladimir M. Dziomko , Vera M. Ostrovskaya
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摘要: A method for preparing 2H-tetrazolium chloride hydrochlorides having the general formula ##STR1## where R1 and R2 are H, OH, NO2, Cl, or OCH2 COOH, n is from 0 to 3, also di-2H-tetrazolium hydrochloride ##STR2## wherein corresponding formazans oxidized with chlorine in a medium of polar organic solvent at temperature -5° +20° C.