10aH-9,10b-Epoxypyrano(4,3,2-jk)(2)benzoxepin-2(3H)-one, octahydro-3,6,9-trimethyl-, (3R-(3alpha,3abeta,6beta,6abeta,9beta,10aalpha,10bbeta))- 72826-63-2 Deoxyartemisinin