InChI=1S/C15H24O3/c1-11-5-4-6-12(10-16)7-8-13(9-14(11)17)15(2,3)18/h6,10,13-14,17-18H,1,4-5,7-9H2,2-3H3/b12-6+/t13-,14?/m0/s1