InChI=1S/C22H23NO6/c1-24-17-6-13-8-23-4-3-12-5-18-21(29-11-27-18)22(25-2)19(12)16(23)7-14(13)15-9-26-10-28-20(15)17/h5-6,16H,3-4,7-11H2,1-2H3/t16-/m1/s1