ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C31H27N3.ClHO4/c1-5-13-27(14-6-1)32-23-25-21-22-26(24-33-28-15-7-2-8-16-28)31(25)34(29-17-9-3-10-18-29)30-19-11-4-12-20-30;2-1(3,4)5/h1-20,23-24,32H,21-22H2;(H,2,3,4,5)/b25-23?,33-24+;/file?format=sdf&get3d=True  -- InChI=1S/C31H27N3.ClHO4/c1-5-13-27(14-6-1)32-23-25-21-22-26(24-33-28-15-7-2-8-16-28)31(25)34(29-17-9-3-10-18-29)30-19-11-4-12-20-30;2-1(3,4)5/h1-20,23-24,32H,21-22H2;(H,2,3,4,5)/b25-23?,33-24+; could not be loaded.