ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C3H4O5.2H2N.Pt/c4-1(2(5)6)3(7)8;;;/h1,4H,(H,5,6)(H,7,8);2*1H2;/q;2*-1;+4/p-2/file?format=sdf&get3d=True -- InChI=1S/C3H4O5.2H2N.Pt/c4-1(2(5)6)3(7)8;;;/h1,4H,(H,5,6)(H,7,8);2*1H2;/q;2*-1;+4/p-2 could not be loaded.