InChI=1S/C27H33N3O2/c1-15(2)9-20(31)18-8-6-7-17-19-11-26-14-30-13-16(3)10-27(30,24(32)29-26)12-21(26)25(4,5)23(19)28-22(17)18/h6-9,16,21,28H,10-14H2,1-5H3,(H,29,32)/t16-,21+,26-,27+/m1/s1