ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/ClH.2Cu.3H2O/h1H;;;3*1H2/q;2*+2;;;/p-4/file?format=sdf&get3d=True -- InChI=1S/ClH.2Cu.3H2O/h1H;;;3*1H2/q;2*+2;;;/p-4 could not be loaded.