InChI=1/C19H23N5O2/c1-19(2)23-17(20)22-18(21)24(19)14-7-4-6-13(10-14)12-26-16-9-5-8-15(11-16)25-3/h4-11H,12H2,1-3H3,(H4,20,21,22,23)/p+1/fC19H24N5O2/h23H,20-21H2/q+1 D16EADBEBFA07252