ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/B6H10/c1-2-6%281%293-5%286%294-6/h5-6H%2C1-4H2/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/B6H10/c1-2-6%281%293-5%286%294-6/h5-6H%2C1-4H2 could not be loaded.