ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C15H20/c1-10(2)13-8-6-12(4)14-7-5-11(3)9-15(13)14/h5,7,9-10,13H,4,6,8H2,1-3H3/t13-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C15H20/c1-10(2)13-8-6-12(4)14-7-5-11(3)9-15(13)14/h5,7,9-10,13H,4,6,8H2,1-3H3/t13-/m1/s1 could not be loaded.