ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3/file?format=sdf&get3d=True -- InChI=1/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3 could not be loaded.