ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C20H24O4/c1-6-11(2)18(21)24-17-16-13(4)19(22)23-15(16)10-14-9-7-8-12(3)20(14,17)5/h6,9-10,12,17H,7-8H2,1-5H3/b11-6-/t12-,17+,20+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C20H24O4/c1-6-11(2)18(21)24-17-16-13(4)19(22)23-15(16)10-14-9-7-8-12(3)20(14,17)5/h6,9-10,12,17H,7-8H2,1-5H3/b11-6-/t12-,17+,20+/m0/s1 could not be loaded.