ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H9NO6/c8-3-1-11-6-4(13-7(9)10)2-12-5(3)6/h3-6,8H,1-2H2/t3-,4 ,5 ,6 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C6H9NO6/c8-3-1-11-6-4(13-7(9)10)2-12-5(3)6/h3-6,8H,1-2H2/t3-,4 ,5 ,6 /m0/s1 could not be loaded.