ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H22N2O2/c1-2-3-6-13-23-18(22)10-9-17-19-15(11-12-20-17)14-7-4-5-8-16(14)21-19/h4-5,7-8,11-12,21H,2-3,6,9-10,13H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C19H22N2O2/c1-2-3-6-13-23-18(22)10-9-17-19-15(11-12-20-17)14-7-4-5-8-16(14)21-19/h4-5,7-8,11-12,21H,2-3,6,9-10,13H2,1H3 could not be loaded.