InChI=1/C15H22N4O2/c1-15(2,9-19(3)4)8-16-13(20)10-5-6-11-12(7-10)18-14(21)17-11/h5-7H,8-9H2,1-4H3,(H,16,20)(H2,17,18,21)/p+1/fC15H23N4O2/h16-19H/q+1 62E48E8216FCA83F