ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C3H4Cl2O2/c1-3(4,5)2(6)7/h1H3,(H,6,7)/f/h6H/file?format=sdf&get3d=True  -- InChI=1/C3H4Cl2O2/c1-3(4,5)2(6)7/h1H3,(H,6,7)/f/h6H could not be loaded.