InChI=1/C18H17N5O/c1-13(15-7-5-14(11-19)6-8-15)21-17(24)16-12-20-22(2)18(16)23-9-3-4-10-23/h3-10,12-13H,1-2H3,(H,21,24)/t13-/m0/s1/f/h21H 03B2B337B321A390