ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/3CH3.HI.Pt/h3*1H3;1H;/q3*-1;;+1/p-1/file?format=sdf&get3d=True -- InChI=1S/3CH3.HI.Pt/h3*1H3;1H;/q3*-1;;+1/p-1 could not be loaded.