InChI=1/C19H21N5O/c1-18(2)11-8-14(21-9-12(11)19(3,4)24-18)17-22-13-7-5-6-10(16(20)25)15(13)23-17/h5-9,24H,1-4H3,(H2,20,25)(H,22,23)/p+1/fC19H22N5O/h22,24H,20H2/q+1 D64EF088146156BD