InChI=1S/C22H29NO4/c1-15(24)23(2,3)12-11-17-14-19(25)21(26-4)22(27-5)20(17)18(23)13-16-9-7-6-8-10-16/h6-10,14,18,25H,11-13H2,1-5H3/q+1