ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2BrHO3.Mg/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+2/p-2/file?format=sdf&get3d=True -- InChI=1S/2BrHO3.Mg/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+2/p-2 could not be loaded.