ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/t2-,3-,4 ,5-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C6H12O7/c7-1-2(8)3(9)4(10)5(11)6(12)13/h2-5,7-11H,1H2,(H,12,13)/t2-,3-,4 ,5-/m1/s1 could not be loaded.