InChI=1S/C15H28O4/c1-9-6-12(17)13(18)14(2)5-4-10(7-11(9)14)15(3,19)8-16/h9-13,16-19H,4-8H2,1-3H3/t9-,10+,11-,12-,13+,14+,15?/m1/s1