ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H15N2.BF4/c1-3-4-5-10-7-6-9%282%298-10/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C8H15N2.BF4/c1-3-4-5-10-7-6-9%282%298-10 could not be loaded.