ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H5.BrH.Mg/c1-2-4-6-5-3-1;;/h1-5H;1H;/q-1;; 2/p-1/file?format=sdf&get3d=True  -- InChI=1S/C6H5.BrH.Mg/c1-2-4-6-5-3-1;;/h1-5H;1H;/q-1;; 2/p-1 could not be loaded.