ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C23H29N3O.C4H4O4/c1-26-14-16(23(27)25-17-7-4-2-3-5-8-17)11-19-18-9-6-10-20-22(18)15(13-24-20)12-21(19)26;5-3(6)1-2-4(7)8/h6,9-11,13,16-17,21,24H,2-5,7-8,12,14H2,1H3,(H,25,27);1-2H,(H,5,6)(H,7,8)/t16-,21?;/m1./s1/file?format=sdf&get3d=True  -- InChI=1S/C23H29N3O.C4H4O4/c1-26-14-16(23(27)25-17-7-4-2-3-5-8-17)11-19-18-9-6-10-20-22(18)15(13-24-20)12-21(19)26;5-3(6)1-2-4(7)8/h6,9-11,13,16-17,21,24H,2-5,7-8,12,14H2,1H3,(H,25,27);1-2H,(H,5,6)(H,7,8)/t16-,21?;/m1./s1 could not be loaded.