ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C14H12O6/c1-2-20-14(19)8-3-7-4-9(15)6-10(16)12(7)13(18)11(17)5-8/h3-6,15-16H,2H2,1H3,(H,17,18)/file?format=sdf&get3d=True -- InChI=1S/C14H12O6/c1-2-20-14(19)8-3-7-4-9(15)6-10(16)12(7)13(18)11(17)5-8/h3-6,15-16H,2H2,1H3,(H,17,18) could not be loaded.