84297-66-5 EINECS 282-696-8 Magnesium 1,2,3,4,5,6,7,8,13,13,14,14-dodecachloro-1,4,4a,4b,5,8,8a,12b-octahydro-11-sulphonato-1,4:5,8-dimethanotriphenylene-10-carboxylate