InChI=1S/C22H30O5/c1-13-6-9-20-22(5,27-20)11-10-18(25-16(4)23)14(2)7-8-17-15(3)21(24)26-19(17)12-13/h12,18-20H,2,6-11H2,1,3-5H3/b13-12-/t18-,19-,20+,22+/m0/s1