InChI=1/C18H27N5O2/c1-11-3-15(23(2)22-11)19-17(25)21-20-16(24)10-18-7-12-4-13(8-18)6-14(5-12)9-18/h3,12-14H,4-10H2,1-2H3,(H,20,24)(H2,19,21,25)/f/h19-21H E56F9B1081B74C89