ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H19NO3/c1-8(13)5-10-11(15-3)6-9(14-2)7-12(10)16-4/h6-8H,5,13H2,1-4H3/file?format=sdf&get3d=True  -- InChI=1S/C12H19NO3/c1-8(13)5-10-11(15-3)6-9(14-2)7-12(10)16-4/h6-8H,5,13H2,1-4H3 could not be loaded.