ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C6H12O6/c7-1-2-3%288%294%289%295%2810%296%2811%2912-2/h2-11H%2C1H2/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C6H12O6/c7-1-2-3%288%294%289%295%2810%296%2811%2912-2/h2-11H%2C1H2 could not be loaded.