InChI=1S/C24H31N3O3/c1-7-18(28)26-16-12-10-9-11-15(16)24(23(5,6)8-2)13-17-20(29)25-19(14(3)4)21(30)27(17)22(24)26/h8-12,14,17,19,22H,2,7,13H2,1,3-6H3,(H,25,29)/t17-,19-,22-,24+/m0/s1