ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H26ClN3O/c1-3-22(4-2)11-5-6-15(13-23)21-17-9-10-20-18-12-14(19)7-8-16(17)18/h7-10,12,15,23H,3-6,11,13H2,1-2H3,(H,20,21)/file?format=sdf&get3d=True  -- InChI=1S/C18H26ClN3O/c1-3-22(4-2)11-5-6-15(13-23)21-17-9-10-20-18-12-14(19)7-8-16(17)18/h7-10,12,15,23H,3-6,11,13H2,1-2H3,(H,20,21) could not be loaded.