ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H20O2/c1-8(13)14-10-7-9-5-6-12(10,4)11(9,2)3/h9-10H,5-7H2,1-4H3/t9-,10+,12-/m0/s1/file?format=sdf&get3d=True -- InChI=1S/C12H20O2/c1-8(13)14-10-7-9-5-6-12(10,4)11(9,2)3/h9-10H,5-7H2,1-4H3/t9-,10+,12-/m0/s1 could not be loaded.