ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C12H16/c1-12(2,3)11-9-7-5-4-6-8-10-11/h4-10H,1-3H3/b5-4-,6-4?,7-5?,8-6-,9-7-,10-8?,11-9?,11-10+/file?format=sdf&get3d=True  -- InChI=1S/C12H16/c1-12(2,3)11-9-7-5-4-6-8-10-11/h4-10H,1-3H3/b5-4-,6-4?,7-5?,8-6-,9-7-,10-8?,11-9?,11-10+ could not be loaded.