InChI=1S/C16H26O7/c1-15(2)7-4-5-16(15,3)8(6-7)22-14-11(19)9(17)10(18)12(23-14)13(20)21/h7-12,14,17-19H,4-6H2,1-3H3,(H,20,21)/t7?,8?,9?,10?,11?,12?,14?,16-/m1/s1