InChI=1/C18H29N5O2/c24-18(19-8-6-16-4-2-1-3-5-16)20-17-7-9-23(21-17)11-10-22-12-14-25-15-13-22/h4,7,9H,1-3,5-6,8,10-15H2,(H2,19,20,21,24)/f/h19-20H A395508F9C50FD19