2,2?-Dialkoxy, 2,2?-dihydroxy, and 2,2?-diamino derivatives of 1,1?-azobenzimidazole. The first synthesis of heterocyclic tetrazenes by means of a nucleophilic substitution reaction
2,2?-Dialkoxy, 2,2?-dihydroxy, and 2,2?-diamino derivatives of 1,1?-azobenzimidazole. The first synthesis of heterocyclic tetrazenes by means of a nucleophilic substitution reaction