InChI=1S/C22H24O5/c1-12(2)5-6-13-7-15-19(10-18(13)24-3)26-11-16-14-8-21(25-4)17(23)9-20(14)27-22(15)16/h5,7-10,16,22-23H,6,11H2,1-4H3/t16-,22-/m0/s1