ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C31H22N6O9S.Cu.2Na/c38-26-12-9-21(15-23(26)31(42)43)34-32-19-5-1-17(2-6-19)18-3-7-20(8-4-18)33-37-29-28(40)14-11-24(30(29)41)35-36-25-16-22(47(44,45)46)10-13-27(25)39;;;/h1-16,33,36,38-39H,(H,42,43)(H,44,45,46);;;/q;+2;2*+1/p-4/b34-32?,35-24+,37-29-;;;/file?format=sdf&get3d=True  -- InChI=1S/C31H22N6O9S.Cu.2Na/c38-26-12-9-21(15-23(26)31(42)43)34-32-19-5-1-17(2-6-19)18-3-7-20(8-4-18)33-37-29-28(40)14-11-24(30(29)41)35-36-25-16-22(47(44,45)46)10-13-27(25)39;;;/h1-16,33,36,38-39H,(H,42,43)(H,44,45,46);;;/q;+2;2*+1/p-4/b34-32?,35-24+,37-29-;;; could not be loaded.