ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C22H18N4O2/c1-27-18-5-3-4-17-21(18)16(12-25-17)15(10-24)14-6-7-19(28-2)20-13(8-9-23)11-26-22(14)20/h3-7,11-12,15,25-26H,8H2,1-2H3/t15-/m1/s1/file?format=sdf&get3d=True  -- InChI=1S/C22H18N4O2/c1-27-18-5-3-4-17-21(18)16(12-25-17)15(10-24)14-6-7-19(28-2)20-13(8-9-23)11-26-22(14)20/h3-7,11-12,15,25-26H,8H2,1-2H3/t15-/m1/s1 could not be loaded.