InChI=1/C27H23N3O2/c31-24-17-29(16-18-9-3-1-4-10-18)27(32)23-15-21-20-13-7-8-14-22(20)28-25(21)26(30(23)24)19-11-5-2-6-12-19/h1-14,23,26,28H,15-17H2/t23-,26+/m1/s1 72580FBDE99B22BF