Scheme 5 from: Ihnatova T, Kaplaushenko A, Frolova Y, Pryhlo E (2021) Synthesis and antioxidant properties of some new 5-phenethyl-3-thio-1,2,4-triazoles. Pharmacia 68(1): 129-133. https://doi.org/10.3897/pharmacia.68.e53320 - Ihnatova, Tetiana (2021)