InChI=1/C26H25N3O2/c1-19(30)23(16-20-10-4-2-5-11-20)28-26(31)18-29-24-15-9-8-14-22(24)27-25(29)17-21-12-6-3-7-13-21/h2-15,23H,16-18H2,1H3,(H,28,31)/t23-/m1/s1/f/h28H 3650BE50772EF470