ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H16O7/c13-5-8-9(15)10(16)11(17)12(19-8)18-7-3-1-6(14)2-4-7/h1-4,8-17H,5H2/t8-,9-,10 ,11-,12-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C12H16O7/c13-5-8-9(15)10(16)11(17)12(19-8)18-7-3-1-6(14)2-4-7/h1-4,8-17H,5H2/t8-,9-,10 ,11-,12-/m1/s1 could not be loaded.