ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%5BC%40H%5D%28C%29C%28%3DO%29O%5BC%40H%5D1C%5BC%40H%5D%28O%29C%3DC2C%3DC%5BC%40H%5D%28C%29%5BC%40H%5D%28CC%5BC%40%40H%5D%28O%29C%5BC%40%40H%5D%28O%29CC%20%28%3DO%29O%29%5BC%40%40H%5D12/file?format=sdf&get3d=True  -- CC%5BC%40H%5D%28C%29C%28%3DO%29O%5BC%40H%5D1C%5BC%40H%5D%28O%29C%3DC2C%3DC%5BC%40H%5D%28C%29%5BC%40H%5D%28CC%5BC%40%40H%5D%28O%29C%5BC%40%40H%5D%28O%29CC%20%28%3DO%29O%29%5BC%40%40H%5D12 could not be loaded.