ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C8H7NO/c1-6-9-7-4-2-3-5-8%287%2910-6/h2-5H%2C1H3/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C8H7NO/c1-6-9-7-4-2-3-5-8%287%2910-6/h2-5H%2C1H3 could not be loaded.