ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H30O2.C4H11NO2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22;1-4(5,2-6)3-7/h12,16-17H,5-11H2,1-4H3,(H,21,22);6-7H,2-3,5H2,1H3/file?format=sdf&get3d=True  -- InChI=1S/C20H30O2.C4H11NO2/c1-13(2)14-6-8-16-15(12-14)7-9-17-19(16,3)10-5-11-20(17,4)18(21)22;1-4(5,2-6)3-7/h12,16-17H,5-11H2,1-4H3,(H,21,22);6-7H,2-3,5H2,1H3 could not be loaded.