ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C21H21NO5.CH4O3S/c23-14-2-1-13-9-16-21(25)5-3-15(24)19-20(21,17(13)18(14)27-19)6-7-22(16)10-12-4-8-26-11-12;1-5(2,3)4/h1-2,4,8,11,16,19,23,25H,3,5-7,9-10H2;1H3,(H,2,3,4)/t16-,19?,20+,21?;/m0./s1/file?format=sdf&get3d=True  -- InChI=1S/C21H21NO5.CH4O3S/c23-14-2-1-13-9-16-21(25)5-3-15(24)19-20(21,17(13)18(14)27-19)6-7-22(16)10-12-4-8-26-11-12;1-5(2,3)4/h1-2,4,8,11,16,19,23,25H,3,5-7,9-10H2;1H3,(H,2,3,4)/t16-,19?,20+,21?;/m0./s1 could not be loaded.