IDENTIFICATION OF THE POSITIONAL ISOMERS OF 2-FLUOROBENZOIC ACID 1-O-ACYL GLUCURONIDE BY DIRECTLY COUPLED HPLC-NMR - SIDELMANN, UG; GAVAGHAN, C; CARLESS, HAJ; FARRANT, RD; LINDON, JC; WILSON, ID; NICHOLSON, JK (ANALYTICAL CHEMISTRY, 1995)