ERROR opening https://cactus.nci.nih.gov/chemical/structure/C%5BC%40%40H%5D1%5BC%40%40H%5D2C3%3DCC%28%3DC%28C%3DC3CCN2CC4%3DC1C%3DCC%28%3DC4OC%29OC%29OC%29OC/file?format=sdf&get3d=True -- C%5BC%40%40H%5D1%5BC%40%40H%5D2C3%3DCC%28%3DC%28C%3DC3CCN2CC4%3DC1C%3DCC%28%3DC4OC%29OC%29OC%29OC could not be loaded.