ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/2ClH.2H3N.Pt/h2*1H;2*1H3;/q;;;; 2/p-2/file?format=sdf&get3d=True  -- InChI=1S/2ClH.2H3N.Pt/h2*1H;2*1H3;/q;;;; 2/p-2 could not be loaded.