ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C36H40N4O9/c1-20(46-34-29(39-40-37)30(41)31-27(47-34)19-44-33(48-31)21-12-6-5-7-13-21)28(32(42)49-36(2,3)4)38-35(43)45-18-26-24-16-10-8-14-22(24)23-15-9-11-17-25(23)26/h5-17,20,26-31,33-34,41H,18-19H2,1-4H3,(H,38,43)/t20-,27+,28+,29+,30-,31+,33?,34+/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C36H40N4O9/c1-20(46-34-29(39-40-37)30(41)31-27(47-34)19-44-33(48-31)21-12-6-5-7-13-21)28(32(42)49-36(2,3)4)38-35(43)45-18-26-24-16-10-8-14-22(24)23-15-9-11-17-25(23)26/h5-17,20,26-31,33-34,41H,18-19H2,1-4H3,(H,38,43)/t20-,27+,28+,29+,30-,31+,33?,34+/m1/s1 could not be loaded.