InChI=1/C18H27N5O3/c1-3-14-6-4-5-7-15(14)20-16(24)12-22-8-10-23(11-9-22)13(2)17(25)21-18(19)26/h4-7,13H,3,8-12H2,1-2H3,(H,20,24)(H3,19,21,25,26)/t13-/m0/s1/f/h20-21H,19H2 8F76697B8E0CFBD4