(3aS,4R,6aS,7R,8S,10R,10aR)-8-methoxy-4,7-dimethyldecahydrofuro[3,2-i]isochromen-10-yl acetate;[3aS-(3a?,4?,6a?,7?,8?,10?,10aS*)]-Octahydro-8-methoxy-4,7-dimethyl-2H,10H-furo[3,2-i][2]benzopyran-10-ol Acetate; Artemether Ph. Int. Impurity C;Artemether Tetrahydrofuran Acetate
