we studied the local anesthetic effects of the quaternary lidocaine analogues qx-314 , qx-572 , and qx-222 , the tertiary amine lidocaine , its analogues tocainide , 6603 , 6211 , and the neutral local anesthetic benzocaine to determine if molecular charge of antiarrhythmic agents influences their local anesthetic effects on heart fibers .
C0023660
lidocaine
C0003195
antiarrhythmic agents