ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C9H3N3/c10-4-7-1-8(5-11)3-9(2-7)6-12/h1-3H/file?format=sdf&get3d=True -- InChI=1S/C9H3N3/c10-4-7-1-8(5-11)3-9(2-7)6-12/h1-3H could not be loaded.