ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C16H14O5/c1-19-8-2-3-9-11-7-20-16-10(4-5-12(17)14(16)18)15(11)21-13(9)6-8/h2-6,11,15,17-18H,7H2,1H3/t11-,15-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C16H14O5/c1-19-8-2-3-9-11-7-20-16-10(4-5-12(17)14(16)18)15(11)21-13(9)6-8/h2-6,11,15,17-18H,7H2,1H3/t11-,15-/m1/s1 could not be loaded.