InChI=1S/C23H27N3O4/c1-15(2)13-26-14-20(18-7-5-6-8-19(18)22(26)27)25-23(28)24-12-16-11-17(29-3)9-10-21(16)30-4/h5-11,14-15H,12-13H2,1-4H3,(H2,24,25,28)