ERROR opening https://cactus.nci.nih.gov/chemical/structure/CC%28C%29%28O%29%5BC%40H%5D7C%5BC%40%5D53/C%3DC/%5BC%40%5D7%28OC%29%5BC%40%40H%5D1Oc6c2c%28C%5BC%40H%5D5N%28CC%5BC%40%40%5D123%29CC4CC4%29ccc6O/file?format=sdf&get3d=True -- CC%28C%29%28O%29%5BC%40H%5D7C%5BC%40%5D53/C%3DC/%5BC%40%5D7%28OC%29%5BC%40%40H%5D1Oc6c2c%28C%5BC%40H%5D5N%28CC%5BC%40%40%5D123%29CC4CC4%29ccc6O could not be loaded.