ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H26O8/c1-11(2)15(19)23-9-13(17)7-21-5-6-22-8-14(18)10-24-16(20)12(3)4/h13-14,17-18H,1,3,5-10H2,2,4H3/file?format=sdf&get3d=True  -- InChI=1S/C16H26O8/c1-11(2)15(19)23-9-13(17)7-21-5-6-22-8-14(18)10-24-16(20)12(3)4/h13-14,17-18H,1,3,5-10H2,2,4H3 could not be loaded.