InChI=1/C28H25N3O2/c1-3-18-10-4-7-14-23(18)31-27(32)24-16-21-20-12-5-6-13-22(20)29-25(21)26(30(24)28(31)33)19-11-8-9-17(2)15-19/h4-15,24,26,29H,3,16H2,1-2H3/t24-,26-/m1/s1 56085F54BF2F66E0