InChI=1S/C25H27N3O4/c1-16-14-18(21-6-4-5-7-22(21)26-16)15-32-20-10-8-19(9-11-20)25(3)12-13-28(24(25)30)17(2)23(29)27-31/h4-11,14,17,31H,12-13,15H2,1-3H3,(H,27,29)/t17-,25+/m1/s1