ERROR opening https://cactus.nci.nih.gov/chemical/structure/O%3D%5BPH%5D%28O%29C%5BC%40H%5D%28F%29CN/file?format=sdf&get3d=True  -- O%3D%5BPH%5D%28O%29C%5BC%40H%5D%28F%29CN could not be loaded.