InChI=1/C21H30N2O/c1-15(21-10-17-7-18(11-21)9-19(8-17)12-21)23-20(24)14-22-13-16-5-3-2-4-6-16/h2-6,15,17-19,22H,7-14H2,1H3,(H,23,24)/t15-,17?,18?,19?,21?/m0/s1/f/h23H A0B3D897ACBE1FB6