ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C10H14N2O4.C9H11NO4/c1-10(12-11,9(15)16)5-6-2-3-7(13)8(14)4-6/file?format=sdf&get3d=True -- InChI=1S/C10H14N2O4.C9H11NO4/c1-10(12-11,9(15)16)5-6-2-3-7(13)8(14)4-6 could not be loaded.