ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C22H26N4O2/c1-3-28-22(27)19-12-26(13-24-19)11-14-7-17-16-5-4-6-18-21(16)15(9-23-18)8-20(17)25(2)10-14/h4-6,9,12-14,17,20,23H,3,7-8,10-11H2,1-2H3/t14-,17?,20-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C22H26N4O2/c1-3-28-22(27)19-12-26(13-24-19)11-14-7-17-16-5-4-6-18-21(16)15(9-23-18)8-20(17)25(2)10-14/h4-6,9,12-14,17,20,23H,3,7-8,10-11H2,1-2H3/t14-,17?,20-/m1/s1 could not be loaded.