Synthesis and physicochemical research of some 2-((5-((theophylline-7'-yl)methyl)-4-R-4H-1,2,4-triazole-3-yl)thio)acetohydrazide ylidenderivatives Journal title: Фармацевтичний журнал Authors: A. S. Gotsulya, P. S. Knyazevich, O. I. Panasenko, E. G. Knysh Subject(s):