ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/Al.Mg.H2O4S.H2O/c;;1-5(2,3)4;/h;;(H2,1,2,3,4);1H2/q 3; 2;;/p-3/file?format=sdf&get3d=True  -- InChI=1S/Al.Mg.H2O4S.H2O/c;;1-5(2,3)4;/h;;(H2,1,2,3,4);1H2/q 3; 2;;/p-3 could not be loaded.