ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H18O2/c1-7-5-6-9-11(14-8(2)13)10(7)12(9,3)4/h5,9-11H,6H2,1-4H3/t9-,10+,11?/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C12H18O2/c1-7-5-6-9-11(14-8(2)13)10(7)12(9,3)4/h5,9-11H,6H2,1-4H3/t9-,10+,11?/m1/s1 could not be loaded.