InChI=1/C28H35N3O4/c1-19(32)24-18-29-26(30-24)22(15-20-11-7-5-8-12-20)17-25(33)23(16-21-13-9-6-10-14-21)31-27(34)35-28(2,3)4/h5-14,18,22-23,25,33H,15-17H2,1-4H3,(H,29,30)(H,31,34)/t22-,23+,25+/m1/s1/f/h29,31H B33CCE92BB260F31