Figure 5 from: Chaban T, Ogurtsov V, Mahlovanyy A, Sukhodolska N, Chaban I, Harkov S, Matiychuk V (2019) Antioxidant properties of some novel derivatives thiazolo[4,5-b] pyridine. Pharmacia 66(4): 171-180. https://doi.org/10.3897/pharmacia.66.e36764

Figure 5 Synthesis of potassium salt of 3-(5-mercapto-[1,3,4]oxodiazole-2-yl-methyl)-5,7-dimethyl-3H-thiazolo[4,5-b]pyridine-2-one and S-substituted 3-(5-mercapto-[1,3,4]oxodiazole-2-yl-methyl)-5,7-dimethyl-3H-thiazolo[4,5-b]pyridine-2-ones.