InChI=1/C18H21N5O2/c1-13-6-2-3-7-15(13)20-18(25)22-21-17(24)14-8-9-16(19-12-14)23-10-4-5-11-23/h2-3,6-9,12H,4-5,10-11H2,1H3,(H,21,24)(H2,20,22,25)/f/h20-22H 4EDE535E60C5CA8F