LCMS analysis was completed on a Waters ® Acquity UPLC instrument equipped with a BEH (ethylenebridged hybrid) column (50 mm × 2.1 mm with 1.7 μm packing diameter) and a Waters ® Micromass ZQ MS using alternate-scan positive and negative electrospray ionisation. Analytes were detected as a summed UV wavelength spectra between 210-350 nm. Mass to charge (m/z) ratios are shown in Daltons. Two LCMS methods were used: