InChI=1/C19H27N5O2/c1-6-20-19(26)21-18(25)12-23(5)11-16-14(3)22-24(15(16)4)17-10-8-7-9-13(17)2/h7-10H,6,11-12H2,1-5H3,(H2,20,21,25,26)/p+1/fC19H28N5O2/h20-21,23H/q+1 5DCBA3403ECD586D