ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H30N2.2BrH/c17-4-2-1-3-5-18-12-16-9-13-6-14(10-16)8-15(7-13)11-16;;/h13-15,18H,1-12,17H2;2*1H/file?format=sdf&get3d=True  -- InChI=1S/C16H30N2.2BrH/c17-4-2-1-3-5-18-12-16-9-13-6-14(10-16)8-15(7-13)11-16;;/h13-15,18H,1-12,17H2;2*1H could not be loaded.