ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H16Cl2/c9-7-5-3-1-2-4-6-8-10/h1-8H2/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C8H16Cl2/c9-7-5-3-1-2-4-6-8-10/h1-8H2 could not be loaded.