API	Active Pharmaceutical Ingredient
COSY	Correlation Spectroscopy
DCM	Dichloromethane
DMTE	Dimethyltin bis(2-ethylhexyl mercaptoacetate)
EIC	Extracted Ion Chromatogram
ESI	Electrospray Ionization
HCD	Higher-Energy Collisional Dissociation
HMBC	Heteronuclear Multiple Bond Correlation
HPLC	High-Performance Liquid Chromatography
HRMS	High-Resolution Mass Spectrometry
HSQC	Heteronuclear Single Quantum Coherence
ICH	International Council for Harmonisation
IPA	Isopropanol
ISI	Internal Standard for Injection
LC	Liquid Chromatography
MDD	Multidimensional Decomposition
MS	Mass Spectrometry
NIAS	Non-Intentionally Added Substances
NMR	Nuclear Magnetic Resonance
NUS	Non-Uniform Sampling
NVP	N-Vinylpyrrolidin-2-one
OINDPs	Orally Inhaled and Nasal Drug Products
OSD	Oral Solid Dosage
PDPs	Parenteral Drug Products
PVC	Polyvinyl Chloride
PVP	Polyvinylpyrrolidone
PVPP	Polyvinyl Polypyrrolidone
RT	Retention Time
TMS	Tetramethylsilane
UHPLC	Ultra-High-Performance Liquid Chromatography
UPW	Ultrapure Water
UV	Ultraviolet