InChI=1/C20H19N5O/c1-13-9-18(26)24-25-19(13)15-7-8-16-17(10-15)22-12-23-20(16)21-11-14-5-3-2-4-6-14/h2-8,10,12-13H,9,11H2,1H3,(H,24,26)(H,21,22,23)/t13-/m0/s1/f/h21,24H 794DCEF53151E039