InChI=1/C19H21N5OS/c1-13-9-8-10-14(2)17(13)24-19(20-21-22-24)26-15(3)18(25)23(4)16-11-6-5-7-12-16/h5-12,15H,1-4H3/t15-/m0/s1 C3820173AF98A83E