ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C6H12N2O3/c1-4(7)6(10)8-3-5(9)11-2/h4H,3,7H2,1-2H3,(H,8,10)/t4-/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C6H12N2O3/c1-4(7)6(10)8-3-5(9)11-2/h4H,3,7H2,1-2H3,(H,8,10)/t4-/m0/s1 could not be loaded.