InChI=1S/C24H33NO4/c1-16(2)8-6-9-17(3)10-7-11-18(4)12-13-29-23-21(28-5)14-19-20(22(23)26)15-25-24(19)27/h8,10,12,14,26H,6-7,9,11,13,15H2,1-5H3,(H,25,27)/b17-10+,18-12+