InChI=1S/C21H30O5/c1-11(22)21(26)17(25)9-15-14-5-4-12-8-13(23)6-7-19(12,2)18(14)16(24)10-20(15,21)3/h8,14-18,24-26H,4-7,9-10H2,1-3H3/t14?,15?,16?,17?,18?,19-,20-,21+/m0/s1