InChI=1/C19H31N9/c1-12(2)16-21-13(3)11-15(22-16)28-9-7-27(8-10-28)14(4)17-23-18(20)25-19(24-17)26(5)6/h11-12,14H,7-10H2,1-6H3,(H2,20,23,24,25)/t14-/m1/s1/f/h20H2 7B5E17F0D19BE6AD