ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/3Cu.2H2O3S.2H2O/c;;;2*1-4(2)3;;/h;;;2*(H2,1,2,3);2*1H2/q2*+1;+2;;;;/p-4/file?format=sdf&get3d=True -- InChI=1S/3Cu.2H2O3S.2H2O/c;;;2*1-4(2)3;;/h;;;2*(H2,1,2,3);2*1H2/q2*+1;+2;;;;/p-4 could not be loaded.