Glycopyrronium bromide, formoterol fumarate dihydrate and their related compounds with UPLC/PDA-MS for simultaneous determination in pressurized metered-dose inhaler product
abstract An ultra-performance liquid chromatography (UPLC) technique with photodiode array-mass spectrometry (PDA-MS) detectors has been developed and validated for the determination of glycopyrronium bromide (GB), formoterol fumarate dihydrate (FFD) and their related substances in pressurized meter dose inhalers. This...