ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI%3DInChI%3D1S/C20H30O2/c1-5-18%282%2912-9-15-14%2813-18%297-8-16-19%2815%2C3%2910-6-11-20%2816%2C4%2917%2821%2922/h5%2C13%2C15-16H%2C1%2C6-12H2%2C2-4H3%2C%28H%2C21%2C22%29/t15-%2C16%20%2C18%20%2C19%20%2C20%20/m0/s1/file?format=sdf&get3d=True  -- InChI%3DInChI%3D1S/C20H30O2/c1-5-18%282%2912-9-15-14%2813-18%297-8-16-19%2815%2C3%2910-6-11-20%2816%2C4%2917%2821%2922/h5%2C13%2C15-16H%2C1%2C6-12H2%2C2-4H3%2C%28H%2C21%2C22%29/t15-%2C16%20%2C18%20%2C19%20%2C20%20/m0/s1 could not be loaded.