ERROR opening https://cactus.nci.nih.gov/chemical/structure/C1%3DCC%3DC%28C%3DC1%29P%28C2%3DCC%3DCC%3DC2%29C3%3DCC%3DCC%3DC3.Cl%5BAu%5D/file?format=sdf&get3d=True -- C1%3DCC%3DC%28C%3DC1%29P%28C2%3DCC%3DCC%3DC2%29C3%3DCC%3DCC%3DC3.Cl%5BAu%5D could not be loaded.