InChI=1/C27H25N3O3/c1-2-29(19-10-4-3-5-11-19)27(31)24-16-8-15-23-21-13-7-14-22(21)25(28-26(23)24)18-9-6-12-20(17-18)30(32)33/h3-13,15-17,21-22,25,28H,2,14H2,1H3/t21-,22-,25-/m1/s1 1452D90A9DD12AE0