ERROR opening https://cactus.nci.nih.gov/chemical/structure/O%3DC%28N%29c1ccc%5Bn%2B%5D%28c1%29%5BC%40H%5D2%5BC%40H%5D%28O%29%5BC%40H%5D%28O%29%5BC%40H%5D%28O2%29COP%28%5BO-%5D%29%28%3DO%29OP%28%3DO%29%28O%29OC%5BC%40H%5D3O%5BC%40%40H%5D%28n4cnc5c4ncnc5N%29%5BC%40%40H%5D%28%5BC%40%40H%5D3O%29OP%28%3DO%29%28O%29O/file?format=sdf&get3d=True -- O%3DC%28N%29c1ccc%5Bn%2B%5D%28c1%29%5BC%40H%5D2%5BC%40H%5D%28O%29%5BC%40H%5D%28O%29%5BC%40H%5D%28O2%29COP%28%5BO-%5D%29%28%3DO%29OP%28%3DO%29%28O%29OC%5BC%40H%5D3O%5BC%40%40H%5D%28n4cnc5c4ncnc5N%29%5BC%40%40H%5D%28%5BC%40%40H%5D3O%29OP%28%3DO%29%28O%29O could not be loaded.