(1R,2R,5S,6R)-2,5-dichloro-7-oxabicyclo[4.1.0]hept-3-ene 7-oxabicyclo[4.1.0]hept-3-ene, 2,5-dichloro-, (1R,2R,5S,6R)- InChI=1/C6H6Cl2O/c7-3-1-2-4(8)6-5(3)9-6/h1-6H/t3-,4+,5-,6-/m0/s