Interaction of 3-pyridyl- and 3-(imidazo|1,2-a|pyridine-2-yl)isocoumarins with hydrazine - O. V. Shablykina; O. F. Krekhova; A. S. Konovalenko; V. S. Moskvina; V. P. Khylia (Reports of the National Academy of Sciences of Ukraine, 2018)