分子式:C14H18N2O;分子量:230.31;应用:3-(Diethylamino)-8-methyl-2(1H)-quinolinone is Lidocaine cyclic impurity (L397800). Lidocaine Hydrochloride Monohydrate (L397800) is Anesthetic (local); antiarrhythmic (class IB). Long-acting, membrane stabilizing agent against ventricular arrhythmia. Originally developed as a local anesthetic.。