InChI=1/C21H23N5O/c1-14(2)19(15-9-5-4-6-10-15)22-13-18-23-24-21-25(3)20(27)16-11-7-8-12-17(16)26(18)21/h4-12,14,19,22H,13H2,1-3H3/p+1/t19-/m1/s1/fC21H24N5O/h22H/q+1 02A4AD56D6CD1AB4