InChI=1/C23H26N2O2/c26-22-15-19(16-25(22)21-12-5-2-6-13-21)23(27)24-20-11-7-10-18(14-20)17-8-3-1-4-9-17/h1,3-4,7-11,14,19,21H,2,5-6,12-13,15-16H2,(H,24,27)/t19-/m1/s1/f/h24H AA1FF6E15E0AA271