ERROR opening https://cactus.nci.nih.gov/chemical/structure/InChI=1S/C19H17N3O/c1-15(16-9-3-2-4-10-16)19(17-11-5-7-13-20-17)22(23-19)18-12-6-8-14-21-18/h2-15H,1H3/t15-,19?,22?/m0/s1/file?format=sdf&get3d=True  -- InChI=1S/C19H17N3O/c1-15(16-9-3-2-4-10-16)19(17-11-5-7-13-20-17)22(23-19)18-12-6-8-14-21-18/h2-15H,1H3/t15-,19?,22?/m0/s1 could not be loaded.