InChI=1S/C27H33N3O3/c1-23(2)11-9-16-18(33-23)8-7-17-20(16)28-22(32)27(17)14-25-15-30-12-6-5-10-26(30,21(31)29-25)13-19(25)24(27,3)4/h7-9,11,19H,5-6,10,12-15H2,1-4H3,(H,28,32)(H,29,31)/t19-,25-,26+,27-/m1/s1