英文别名ethylpropylacetic acid; 2-ethylvalericacid; 3-Hexanecarboxylicacid; Pentanoicacid,2-ethyl-; 2-ethyl-valeric acid; 2-Aethyl-valeriansaeure; 2-propylbutanoic acid; 2-Ethylpentansaeure; ethylpentanoic acid; 2-ethyl-pentanoic acid; 2-Ethyl-2-propylacetic acid; Sodium Valproate EP Impurity B; Valproic Acid EP Impurity B; Divalproex sodium-2; Valproic Acid Impurity 2 
