InChI=1/C21H29N5O2/c1-21(2,3)20(27)26-12-6-7-16(14-26)19-24-23-18(28-19)15-8-9-17(22-13-15)25-10-4-5-11-25/h8-9,13,16H,4-7,10-12,14H2,1-3H3/t16-/m1/s1 A23E923EF1D9214F