ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C7H3Cl2N/c8-6-3-1-2-5(4-10)7(6)9/h1-3H/file?format=sdf&get3d=True -- InChI=1S/C7H3Cl2N/c8-6-3-1-2-5(4-10)7(6)9/h1-3H could not be loaded.