InChI=1S/C21H30O5/c1-11(22)21(26)7-6-14-13-5-4-12-8-15(23)16(24)9-19(12,2)18(13)17(25)10-20(14,21)3/h8,13-14,16-18,24-26H,4-7,9-10H2,1-3H3/t13?,14?,16?,17?,18?,19-,20-,21-/m0/s1