Fig. 1

HPLC chromatogram showing [separation of 2 µg/mL DIP, 10 µg/mL HBB, 2 µg/mL AMP, 5 µg/mL Phenol and 1 µg/mL TRO with UV detection at 220 nm using methanol: phosphate buffer pH 5.4 ± 0.1 (26:74, v/v).

HPLC chromatogram showing [separation of 2 µg/mL DIP, 10 µg/mL HBB, 2 µg/mL AMP, 5 µg/mL Phenol and 1 µg/mL TRO with UV detection at 220 nm using methanol: phosphate buffer pH 5.4 ± 0.1 (26:74, v/v).