ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H3N3O7.K/c10-6-4(8(13)14)1-3(7(11)12)2-5(6)9(15)16;/h1-2,10H;/q; 1/p-1/file?format=sdf&get3d=True  -- InChI=1S/C6H3N3O7.K/c10-6-4(8(13)14)1-3(7(11)12)2-5(6)9(15)16;/h1-2,10H;/q; 1/p-1 could not be loaded.