InChI=1/C21H26N2O/c1-2-19-10-6-7-15-23(19)21(24)20(18-8-4-3-5-9-18)16-17-11-13-22-14-12-17/h3-5,8-9,11-14,19-20H,2,6-7,10,15-16H2,1H3/t19-,20+/m1/s1 D6EA136BBDE65D8D