InChI=1/C20H21N5O/c1-3-15-6-4-5-7-18(15)23-20(26)22-17-11-9-16(10-12-17)21-19-13-8-14(2)24-25-19/h4-13H,3H2,1-2H3,(H,21,25)(H2,22,23,26)/f/h21-23H 4609B68B1448DA59