ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H20N4O3/c1-23(26)10-13(8-22-9-17(24)21-19(22)25)14-5-11-3-2-4-15-18(11)12(7-20-15)6-16(14)23/h2-5,7,13,16,20H,6,8-10H2,1H3,(H,21,24,25)/t13-,16+,23?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C19H20N4O3/c1-23(26)10-13(8-22-9-17(24)21-19(22)25)14-5-11-3-2-4-15-18(11)12(7-20-15)6-16(14)23/h2-5,7,13,16,20H,6,8-10H2,1H3,(H,21,24,25)/t13-,16+,23?/m0/s1 could not be loaded.