ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C18H21NO3.C5H7NO3/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19;7-4-2-1-3(6-4)5(8)9/h3-6,11-13,17,20H,7-9H2,1-2H3;3H,1-2H2,(H,6,7)(H,8,9)/t11-,12+,13?,17-,18-;3-/m00/s1/file?format=sdf&get3d=True  -- InChI=1S/C18H21NO3.C5H7NO3/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19;7-4-2-1-3(6-4)5(8)9/h3-6,11-13,17,20H,7-9H2,1-2H3;3H,1-2H2,(H,6,7)(H,8,9)/t11-,12+,13?,17-,18-;3-/m00/s1 could not be loaded.