InChI=1S/C9H15FO9/c10-7-5(15)4(14)6(3(13)2(12)1-11)19-9(7,18)8(16)17/h2-7,11-15,18H,1H2,(H,16,17)/t2-,3-,4-,5-,6+,7-,9+/m1/s1