InChI=1S/C14H18O3/c1-14(2)6-5-10(15)12-9(14)4-3-8-7-17-13(16)11(8)12/h3,5-6,9,11-13,16H,4,7H2,1-2H3/t9-,11+,12-,13+/m1/s1