ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H44O/c1-19(2)20(3)9-10-22(5)26-15-16-27-23(8-7-17-28(26,27)6)12-13-24-18-25(29)14-11-21(24)4/h9-10,12-13,19-20,22,25-27,29H,4,7-8,11,14-18H2,1-3,5-6H3/b10-9 ,23-12 ,24-13-/t20-,22 ,25-,26 ,27-,28 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H44O/c1-19(2)20(3)9-10-22(5)26-15-16-27-23(8-7-17-28(26,27)6)12-13-24-18-25(29)14-11-21(24)4/h9-10,12-13,19-20,22,25-27,29H,4,7-8,11,14-18H2,1-3,5-6H3/b10-9 ,23-12 ,24-13-/t20-,22 ,25-,26 ,27-,28 /m0/s1 could not be loaded.