InChI=1/C19H23N5O2/c1-19(2)23-17(20)22-18(21)24(19)15-7-3-6-14(9-15)12-26-16-8-4-5-13(10-16)11-25/h3-10,25H,11-12H2,1-2H3,(H4,20,21,22,23)/p+1/fC19H24N5O2/h23H,20-21H2/q+1 F71E4A6F31DF0A72