InChI=1/C19H28N6O2/c1-13-11-14(2)25(23-13)19-21-17(20-15(3)26)12-18(22-19)24-9-6-5-7-16(24)8-10-27-4/h11-12,16H,5-10H2,1-4H3,(H,20,21,22,26)/t16-/m0/s1/f/h20H D955F4680B7F21B5