InChI=1/C18H19N5O/c1-12-9-19-16-15(12)17(21-11-20-16)23-8-7-14(10-23)22-18(24)13-5-3-2-4-6-13/h2-6,9,11,14H,7-8,10H2,1H3,(H,22,24)(H,19,20,21)/t14-/m0/s1/f/h19,22H 9511BE17350B4F02