ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H24N2O2.CHNS/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18;2-1-3/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3;3H/t13?,14?,19?,20-;/m0./s1/file?format=sdf&get3d=True  -- InChI=1S/C20H24N2O2.CHNS/c1-3-13-12-22-9-7-14(13)10-19(22)20(23)16-6-8-21-18-5-4-15(24-2)11-17(16)18;2-1-3/h3-6,8,11,13-14,19-20,23H,1,7,9-10,12H2,2H3;3H/t13?,14?,19?,20-;/m0./s1 could not be loaded.