InChI=1S/C15H22O3/c1-7-10(16)12-15(18-12)6-8-5-13(2,3)11(17)9(8)14(7,15)4/h8-12,16-17H,1,5-6H2,2-4H3/t8-,9+,10-,11-,12-,14+,15-/m1/s1