InChI=1S/C15H24O4/c1-7-9-4-5-15(3)11(17)6-10(16)8(2)12(15)13(9)19-14(7)18/h7-13,16-17H,4-6H2,1-3H3/t7-,8-,9-,10-,11+,12+,13-,15-/m0/s1