InChI=1S/C14H22O3/c1-2-3-4-5-6-7-11-8-12(16)9-14(17)13(11)10-15/h4-7,11-13,15-16H,2-3,8-10H2,1H3/b5-4+,7-6+/t11-,12-,13+/m1/s1