ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C12H16N2O/c1-8%2813%295-9-7-14-12-4-3-10%2815-2%296-11%289%2912/h3-4%2C6-8%2C14H%2C5%2C13H2%2C1-2H3/file?format=sdf&get3d=True -- InChI%3DInChI%26%2361%3B1S/C12H16N2O/c1-8%2813%295-9-7-14-12-4-3-10%2815-2%296-11%289%2912/h3-4%2C6-8%2C14H%2C5%2C13H2%2C1-2H3 could not be loaded.