Chemal 331

Deoxy Arteether

Desoxyarteether A

(2S,3R,3aS,6R,6aS,9S,10aR,10bR)-2-Ethoxydecahydro -3,6,9-trimethyl-0aH-9,10b-Epoxypyrano[4,3,2-jk][2]benzoxepin