英文别名3-Ethyl-2,5-pyrazinediethanol; 3-Ethyl-2,5-bis(2-hydroxyethyl)pyrazine; Clavulanic acid Impurity C; 2,5-Pyrazinediethanol, 3-ethyl-; 2-[6-ethyl-5-(2-hydroxyethyl)pyrazin-2-yl]ethanol; Potassium Clavulanate EP Impurity C; Clavulanate Potassium Impurity C; Clavulanate Potassium Impurity 3 
