InChI=1/C17H17FO4/c1-10(17(19)20)11-4-5-15(16(18)8-11)12-6-13(21-2)9-14(7-12)22-3/h4-10H,1-3H3,(H,19,20)/p-1/t10-/m1/s1/fC17H16FO4/q-1 CE07CFAA3E879898