InChI=1S/C15H26O3/c1-13(2)5-4-6-14(3)10-9(17)7-15(14,8-16)12(18)11(10)13/h9-12,16-18H,4-8H2,1-3H3/t9-,10+,11+,12-,14+,15+/m1/s1