InChI=1S/C17H24O5/c1-9-6-12(22-10(2)19)14-13(11(9)7-18)17(5,15(20)21)8-16(14,3)4/h7,9,12,14H,6,8H2,1-5H3,(H,20,21)/t9-,12+,14-,17+/m1/s1