InChI=1S/C22H25NO7/c1-21(12-24)8-3-9-22(2)16-11-29-20(26)15(16)10-17(18(21)22)30-19(25)13-4-6-14(7-5-13)23(27)28/h4-7,10,16-18,24H,3,8-9,11-12H2,1-2H3/t16-,17+,18-,21+,22+/m0/s1