ERROR opening https://cactus.nci.nih.gov/chemical/structure/%5BCl-%5D.c1ccc%28cc1%29-c1nn%28-c2ccccc2%29%5Bn%2B%5D%28n1%29-c1ccccc1/file?format=sdf&get3d=True  -- %5BCl-%5D.c1ccc%28cc1%29-c1nn%28-c2ccccc2%29%5Bn%2B%5D%28n1%29-c1ccccc1 could not be loaded.