2-[6-ethyl-5-(2-hydroxyethyl)pyrazin-2-yl]ethanol; 2,2′-(3-Ethylpyrazine-2,5-diyl)diethanol; Ethylpyrazinediethanol (USP); Potassium Clavulanate - Impurity C (EP/BP); 2,5-Bis(2-Hydroxyethyl)-3-ethylpyrazine2,2'-(3-Ethylpyrazine-2,5-diyl)diethanol; 3-Ethyl-2,5-pyrazinediethanol; 3-Ethyl-2,5-bis(2-hydroxyethyl)pyrazine; Ethylpyrazinediethanol; 2,2'-(3-Ethylpyrazine-2,5-diyl)diethanol (USP)