InChI=1S/C17H28O6/c1-9-6-11(23-10(2)19)13-15(3,4)7-16(5,8-18)17(13,22)12(9)14(20)21/h9,11-13,18,22H,6-8H2,1-5H3,(H,20,21)/t9-,11+,12-,13+,16-,17-/m1/s1