Synonyms: Quinidine bisulfate;Quinidine, sulfate (2:1) (salt);Quinitex;Cinchonan-9-ol,6'-methoxy-,(9S)-,sulfate (2:1) (salt);Auriquin;Quinidex;Quinidine sulfate anhydrous;Cin-Quin;Vanquin;Quinidate;QUINIDINE;Kinichron;(S)-[(4S,5S,7R)-5-ethenyl-1-azabicyclo[2.2.2]oct-7-yl]-(6-methoxyquinolin-4-yl)methanol; sulfuric acid;Cinchonan-9-ol, 6-methoxy-, (9S)-, sulfate (2:1) (salt);Quinidine monosulfate;Quinidine sulfate (salt);Cin quin;Quinora;Chinidine sulfate;Quinicardine;Quinidine sulfate;SK-Quinidine sulfate;Systodin;(9S)-6′-METHOXYCINCHONAN-9-OL SULFATE (2:1) (SALT);QUINIDINE SULPHATE;CINCHONAN-9-OL, 6′-METHOXY-, (9S)-, SULFATE (2:1) (SALT) (9CI);