CCO[C@@]1(OC)C(Br)=C[C@@]2(O)CC(=O)O[C@H]2[C@@H]1Br	(3aS,6R,7S,7aR)-5,7-dibromo-6-ethoxy-3a-hydroxy-6-methoxy-7,7a-dihydro-3H-1-benzofuran-2-one