(3R,5aS,6R,8aS,9R,10S,12R,12aR)-Decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano(4,3-j)-1,2-benzodioxepin-10-ol, hydrogen succinate 88495-63-0 AIDS-112081 AIDS112081 Artesunate Artesunic acid