ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C11H16N2O7/c14-3-7(17)5-2-13(11(19)12-10(5)18)9-1-6(16)8(4-15)20-9/h2,6-9,14-17H,1,3-4H2,(H,12,18,19)/t6-,7?,8+,9+/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C11H16N2O7/c14-3-7(17)5-2-13(11(19)12-10(5)18)9-1-6(16)8(4-15)20-9/h2,6-9,14-17H,1,3-4H2,(H,12,18,19)/t6-,7?,8+,9+/m0/s1 could not be loaded.