InChI=1/C19H23N5O3/c1-11-16(17(22-19(26)21-11)12-7-9-27-10-12)18(25)20-8-6-15-13-4-2-3-5-14(13)23-24-15/h7,9-10,17H,2-6,8H2,1H3,(H,20,25)(H,23,24)(H2,21,22,26)/t17-/m0/s1/f/h20-23H 2D6F36D04B4613ED