ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H15NO4/c10-4-1-2-9-3-5(11)7(12)8(13)6(4)9/h4-8,10-13H,1-3H2/t4-,5-,6 ,7 ,8 /m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C8H15NO4/c10-4-1-2-9-3-5(11)7(12)8(13)6(4)9/h4-8,10-13H,1-3H2/t4-,5-,6 ,7 ,8 /m0/s1 could not be loaded.