ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C8H12O2/c1-3-5-6-7-8(9)10-4-2/h3,5-7H,4H2,1-2H3/b5-3 ,7-6 /file?format=sdf&get3d=True -- InChI=1S/C8H12O2/c1-3-5-6-7-8(9)10-4-2/h3,5-7H,4H2,1-2H3/b5-3 ,7-6 could not be loaded.