ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H18O2/c1-3-4-5-6-10-7-11(13)8-12(14)9(10)2/h7-8,13-14H,3-6H2,1-2H3/file?format=sdf&get3d=True  -- InChI=1S/C12H18O2/c1-3-4-5-6-10-7-11(13)8-12(14)9(10)2/h7-8,13-14H,3-6H2,1-2H3 could not be loaded.