InChI=1/C18H27N5O3/c1-3-20-15(24)13-22-9-11-23(12-10-22)16(14-7-5-4-6-8-14)17(25)21-18(26)19-2/h4-8,16H,3,9-13H2,1-2H3,(H,20,24)(H2,19,21,25,26)/t16-/m0/s1/f/h19-21H AAAE37E50EA52839