ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1CC2%3DC3C%28%3DCC%3DC2%29C%28%3DCN3C1%29%5BC%40H%5D4%5BC%40%40H%5D%28C%28%3DO%29NC4%3DO%29C5%3DCNC6%3DCC%3DCC%3DC65/file?format=sdf&get3d=True -- C1CC2%3DC3C%28%3DCC%3DC2%29C%28%3DCN3C1%29%5BC%40H%5D4%5BC%40%40H%5D%28C%28%3DO%29NC4%3DO%29C5%3DCNC6%3DCC%3DCC%3DC65 could not be loaded.