ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C20H30O2/c1-3-20%2822%2911-9-18-17-6-4-13-12-14%2821%295-7-15%2813%2916%2817%298-10-19%2818%2C20%292/h12%2C15-18%2C22H%2C3-11H2%2C1-2H3/t15-%2C16%2B%2C17%2B%2C18-%2C19-%2C20-/m0/s1/file?format=sdf&get3d=True -- InChI%3DInChI%3D1S/C20H30O2/c1-3-20%2822%2911-9-18-17-6-4-13-12-14%2821%295-7-15%2813%2916%2817%298-10-19%2818%2C20%292/h12%2C15-18%2C22H%2C3-11H2%2C1-2H3/t15-%2C16%2B%2C17%2B%2C18-%2C19-%2C20-/m0/s1 could not be loaded.