InChI=1S/C22H28O5/c1-14(2)22(26)11-10-21(3)9-8-15(13-23)12-18(19(21)22)27-20(25)16-4-6-17(24)7-5-16/h4-8,13-14,18-19,24,26H,9-12H2,1-3H3/t18-,19+,21-,22+/m0/s1