ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H34O2/c1-16(2)9-7-10-18(5)11-8-12-19(6)13-14-22-20(21)15-17(3)4/h9,11,13,17H,7-8,10,12,14-15H2,1-6H3/b18-11+,19-13+/file?format=sdf&get3d=True  -- InChI=1S/C20H34O2/c1-16(2)9-7-10-18(5)11-8-12-19(6)13-14-22-20(21)15-17(3)4/h9,11,13,17H,7-8,10,12,14-15H2,1-6H3/b18-11+,19-13+ could not be loaded.