Fig. 3From: Rapid simultaneous determination of indacaterol maleate and glycopyrronium bromide in inhaler capsules using a validated stability-indicating monolithic LC methodHPLC chromatograms of A indacaterol maleate (IND; 20 μg/mL) and B glycopyrronium bromide (GLY; 20 μg/mL) after (a) neutral hydrolysis (b) acidic hydrolysis; (c) alkaline hydrolysis; (d) oxidation and (e) exposition to UV light. IS internal standard (15 µg/mL), DP degraded productsBack to article page