InChI=1S/C20H32O7/c1-7-6-19(26)11(12(7)22)14(23)20-9(21)5-8-10(17(8,2)3)13(20)18(4,15(19)24)27-16(20)25/h7-16,21-26H,5-6H2,1-4H3/t7-,8-,9+,10-,11+,12-,13-,14+,15+,16-,18-,19+,20-/m0/s1