ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C38H52N4O6S2/c1-38(2,3)40-37(45)34-22-29-16-10-11-17-30(29)23-42(34)24-35(43)32(20-26-12-6-5-7-13-26)39-36(44)33(41-50(4,47)48)25-49(46)31-19-18-27-14-8-9-15-28(27)21-31/h5-9,12-15,18-19,21,29-30,32-35,41,43H,10-11,16-17,20,22-25H2,1-4H3,(H,39,44)(H,40,45)/t29-,30+,32-,33+,34-,35+,49?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C38H52N4O6S2/c1-38(2,3)40-37(45)34-22-29-16-10-11-17-30(29)23-42(34)24-35(43)32(20-26-12-6-5-7-13-26)39-36(44)33(41-50(4,47)48)25-49(46)31-19-18-27-14-8-9-15-28(27)21-31/h5-9,12-15,18-19,21,29-30,32-35,41,43H,10-11,16-17,20,22-25H2,1-4H3,(H,39,44)(H,40,45)/t29-,30+,32-,33+,34-,35+,49?/m0/s1 could not be loaded.