InChI=1/C22H25N3O3/c1-15-11-21(17(3)28-15)16(2)25-22(26)24-13-18-6-8-20(9-7-18)27-14-19-5-4-10-23-12-19/h4-12,16H,13-14H2,1-3H3,(H2,24,25,26)/t16-/m0/s1/f/h24-25H 23DF28F5B5152F8F