InChI=1/C19H23N5O3/c1-4-16(25)22-14-7-9-15(10-8-14)23-19(27)18(26)21-12-13-6-5-11-20-17(13)24(2)3/h5-11H,4,12H2,1-3H3,(H,21,26)(H,22,25)(H,23,27)/p+1/fC19H24N5O3/h20-23H/q+1 920DE4EA89EEC4E7