ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C38H42N6O2/c1-5-43(6-2)25-35(45)39-29-19-21-33-31(23-29)37(27-15-11-9-12-16-27)42-34-22-20-30(40-36(46)26-44(7-3)8-4)24-32(34)38(41-33)28-17-13-10-14-18-28/h9-24H,5-8,25-26H2,1-4H3,(H,39,45)(H,40,46)/b37-31-,38-32-,41-33+,41-38?,42-34+,42-37?/file?format=sdf&get3d=True  -- InChI=1S/C38H42N6O2/c1-5-43(6-2)25-35(45)39-29-19-21-33-31(23-29)37(27-15-11-9-12-16-27)42-34-22-20-30(40-36(46)26-44(7-3)8-4)24-32(34)38(41-33)28-17-13-10-14-18-28/h9-24H,5-8,25-26H2,1-4H3,(H,39,45)(H,40,46)/b37-31-,38-32-,41-33+,41-38?,42-34+,42-37? could not be loaded.