(3R,5aS,6R,8aS,9S,12S,12aR)-3,6,9-trimethyloctahydro-3H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10(12H)-one;(3R,5aS,6R,8aS,9S,12S,12aR)-Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10(3H)-one; (+)-9-Epiartemisinin; 11-epi-Artemisinin;
(3R,5aS,6R,8aS,9S,12S,12aR)-3,6,9-trimethyloctahydro-3H-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10(12H)-one;(3R,5aS,6R,8aS,9S,12S,12aR)-Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10(3H)-one; (+)-9-Epiartemisinin; 11-epi-Artemisinin;