InChI=1/C15H22N4O2/c16-11-5-1-2-6-12(11)18-14(20)8-4-10-19-9-3-7-13(19)15(17)21/h1-2,5-6,13H,3-4,7-10,16H2,(H2,17,21)(H,18,20)/p+1/t13-/m0/s1/fC15H23N4O2/h18-19H,17H2/q+1 540DA1B4C68EC93A