ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C25H26N4O7S.Na/c1-4-5-13-8-11-15(19(31)26-13)20(32)27-16(12-6-9-14(30)10-7-12)21(33)28-17-22(34)29-18(24(35)36)25(2,3)37-23(17)29;/h4-11,16-18,23,30H,1-3H3,(H,26,31)(H,27,32)(H,28,33)(H,35,36);/q;+1/p-1/b5-4+;/t16?,17-,18-,23-;/m0./s1/file?format=sdf&get3d=True  -- InChI=1S/C25H26N4O7S.Na/c1-4-5-13-8-11-15(19(31)26-13)20(32)27-16(12-6-9-14(30)10-7-12)21(33)28-17-22(34)29-18(24(35)36)25(2,3)37-23(17)29;/h4-11,16-18,23,30H,1-3H3,(H,26,31)(H,27,32)(H,28,33)(H,35,36);/q;+1/p-1/b5-4+;/t16?,17-,18-,23-;/m0./s1 could not be loaded.