ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C15H12N2O3/c1-20-8-2-3-9-11(6-8)17-13(19)5-4-10-15(17)14(9)12(18)7-16-10/h2-3,6-7,18H,4-5H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C15H12N2O3/c1-20-8-2-3-9-11(6-8)17-13(19)5-4-10-15(17)14(9)12(18)7-16-10/h2-3,6-7,18H,4-5H2,1H3 could not be loaded.