InChI=1/C23H26N2O3/c1-4-28-19-11-7-8-14(22(19)27)21-20-17(12-23(2,3)13-18(20)26)24-15-9-5-6-10-16(15)25-21/h5-11,21,24-25,27H,4,12-13H2,1-3H3/t21-/m1/s1 B6323420020826C2