ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%26%2361%3B1S/C19H40/c1-16%282%2910-7-12-18%285%2914-9-15-19%286%2913-8-11-17%283%294/h16-19H%2C7-15H2%2C1-6H3/file?format=sdf&get3d=True -- InChI%3DInChI%26%2361%3B1S/C19H40/c1-16%282%2910-7-12-18%285%2914-9-15-19%286%2913-8-11-17%283%294/h16-19H%2C7-15H2%2C1-6H3 could not be loaded.