Name the herb Artemisia annua L., locally known in Southeast Asia as "qing hao," which is a member of the "Asteraccae" family. (Common names include "sweet wormwood" or "annual wormwood".) Chemical characteristics: Artemisinin/Arteannuin Structure: C15H22O5 Molecular weight: 282.3 Chemical name: 3R,5aS,6R,8aS,9R,12S,12aR)-Octahydro-3,6,9-trimethyl-3, 12-epoxy-12H-pyrano[4.3-j]-1,2-benzodioxepin-10(3H)-one; CAS No.:63968-64-9 Lipophylic substance : Soluble in ethanol and hexane. Description : white crystalline powder