InChI=1/C16H23N5O2/c1-21(2)16(7-3-4-8-16)10-17-14(22)18-11-5-6-12-13(9-11)20-15(23)19-12/h5-6,9H,3-4,7-8,10H2,1-2H3,(H2,17,18,22)(H2,19,20,23)/p+1/fC16H24N5O2/h17-21H/q+1 B52A5DCDF975675B