InChI=1/C24H26N2O3/c1-5-20-17-8-15(2)13-24(20,21-6-7-23(27)26-22(21)11-17)25-14-16-9-18(28-3)12-19(10-16)29-4/h5-10,12,14,17H,11,13H2,1-4H3,(H,26,27)/b20-5+,25-14?/t17-,24+/m0/s1/f/h26H B9B5982864794D7C