ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C28H48O3/c1-20(12-8-13-22(3)19-29)10-7-11-21(2)14-9-16-28(6)17-15-25-18-26(30)23(4)24(5)27(25)31-28/h18,20-22,29-30H,7-17,19H2,1-6H3/t20-,21+,22?,28+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C28H48O3/c1-20(12-8-13-22(3)19-29)10-7-11-21(2)14-9-16-28(6)17-15-25-18-26(30)23(4)24(5)27(25)31-28/h18,20-22,29-30H,7-17,19H2,1-6H3/t20-,21+,22?,28+/m0/s1 could not be loaded.