Gotsulya, A. S. “Synthesis, Structure and Properties of N-R-Amides and Hydrazides of 2-[4-R-5-(theophylline-7ʹ-Yl)-1,2,4-Triazole-3-ylthio]acetic Acid”. Current issues in pharmacy and medicine: science and practice, no. 3 (November 1, 2017). Accessed May 3, 2024. http://pharmed.zsmu.edu.ua/article/view/112748.