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Kovalenko, S. M.; Gusarov, V. I.; Zaremba, O. V.; Zubar, V. V. Synthesis and Spectral Properties of 1,3,4-Oxadiazol-2-Yl-Coumarines Containing 3,7,12-Threehydroxycholic Fragment. Khark. Univ. Bull. Chem. Ser. 2015, 46-53.