InChI=1/C19H23N5O4/c1-2-3-13-16(26)15-18(24-19(13)27)23-17(22-15)11-4-6-12(7-5-11)28-10-14(25)21-9-8-20/h4-7H,2-3,8-10,20H2,1H3,(H,21,25)(H3,22,23,24,26,27)/p+1/fC19H24N5O4/h20-22,24,26H/q+1 BB8773C714C14D3E