10-Ethoxydecahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano(4,3-j)-1,2-benzodioxepin 109716-83-8 3,12-Epoxy-12H-pyrano(4,3-j)-1,2-benzodioxepin, 10-ethoxydecahydro-3,6,9-trimethyl- Arteether beta-Artether