InChI=1/C23H26N4O2/c24-16-19-12-7-13-27(19)23(29)20(25)15-22(28)26-21(18-10-5-2-6-11-18)14-17-8-3-1-4-9-17/h1-6,8-11,19-21H,7,12-15,25H2,(H,26,28)/t19-,20-,21-/m0/s1/f/h26H 6B71660CF685B33B