Redkin RG. The synthesis of spiro-2-oxindole-derivative imides of pyrrolidine-3,4-dicarboxylic acid with biogenous sulfur amino acid residues and their antihypoxic activity. J. Org. Pharm. Chem. [Internet]. 2017May23 [cited 2024Apr.25];15(2(58):55-67. Available from: https://ophcj.nuph.edu.ua/article/view/ophcj.17.914