InChI=1/C26H29N3O5/c1-2-26(19-8-4-3-5-9-19)24(31)29(25(32)27-26)17-23(30)28-13-6-10-20(28)18-11-12-21-22(16-18)34-15-7-14-33-21/h3-5,8-9,11-12,16,20H,2,6-7,10,13-15,17H2,1H3,(H,27,32)/t20-,26-/m1/s1/f/h27H 3881DB409403073D