Synthesis of new pyrazolo[5,1-c][1,2,4] benzotriazines, pyrazolo[5,1-c]pyrido[4,3-e][1,2,4] triazines and their open analogues as cytotoxic agents in normoxic and hypoxic conditions
Keywords: Tricyclic heteroaromatic system; Pyrazole derivatives; Pyrazolo[51-c][1,2,4] benzotriazine; Pyrazolo[51-c]pyrido[4,3-e][1,2,4]triazine; Antitumor activity