(4aR,5R,8R,8aS)-2,3,4a,5,8,8a-hexahydro-5,8-ethano-1,4-benzodioxin-6-yl rel-acetate 5,8-ethano-1,4-benzodioxin-6-ol, 2,3,4a,5,8,8a-hexahydro-, acetate, (4aR,5R,8R,8aS)- InChI=1/C12H16O4/c1-7(13)16-10-6-8-2-3-9(10)12-11(8)14-4-5-15-12/h6,8-9,11-12H,2-5H2,1H3/t8-,9+,11+,12-/m1/s