ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H32/c1-14(2)7-6-8-16(4)19-12-10-17(5)18-11-9-15(3)13-20(18)19/h7,13,16,18-20H,5-6,8-12H2,1-4H3/t16?,18-,19?,20+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H32/c1-14(2)7-6-8-16(4)19-12-10-17(5)18-11-9-15(3)13-20(18)19/h7,13,16,18-20H,5-6,8-12H2,1-4H3/t16?,18-,19?,20+/m0/s1 could not be loaded.