InChI=1/C18H19N5O/c1-11(2)20-16(19)12-7-9-13(10-8-12)17(24)23-18-21-14-5-3-4-6-15(14)22-18/h3-11H,1-2H3,(H2,19,20)(H2,21,22,23,24)/p+1/fC18H20N5O/h20-22H,19H2/q+1 CD7B157127C147C0