InChI=1/C22H27N3O4/c1-3-5-14-29-20-12-8-18(9-13-20)22(27)23-16-21(26)25-24-15-17-6-10-19(11-7-17)28-4-2/h6-13,15H,3-5,14,16H2,1-2H3,(H,23,27)(H,25,26)/b24-15+/f/h23,25H EC15A57C31075DC2