Synonyms: 3,12-Epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin,10-ethoxydecahydro-3,6,9-trimethyl-, [3R-(3a,5ab,6b,8ab,9a,10a,12b,12aR*)]-;Artemotil;Dihydroqinghaosu ethyl ether;NSC 665971;SM 227;b-Arteether;3,12-Epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin,10-ethoxydecahydro-3,6,9-trimethyl-, (3R,5aS,6R,8aS,9R,10S,12R,12aR)-;