InChI=1S/C21H34O6/c1-6-12(9-22)16-19(4)15-11(2)7-18(3,25)8-13(15)21(27,20(16,5)26)14(10-23)17(19)24/h10-13,15-16,22-23,25-27H,6-9H2,1-5H3/b14-10+/t11-,12+,13+,15+,16-,18-,19-,20+,21+/m1/s1