CD	cyclodextrin
CE	capillary electrophoresis
CS	chiral selector
CSP	chiral stationary phase
EMA	European Medical Agency
ESI	electrospray ionization
Eur Ph	European Pharmacopoeia
FDA	Food and Drug Administration
HILIC	hydrophilic interaction chromatography
HPLC	high-performance liquid chromatography
I.S	internal standard
LLE	liquid–liquid extraction
LOD	limit of detection
LOQ	limit of quantification
MRM	multiple reaction monitoring
MS	mass spectrometry
NP	normal phase
PI	polar ionic
PO	polar organic
PPI	proton pump inhibitor
RP	reverse phase
SPE	solid phase extraction
SSRI	selective serotonin reuptake inhibitor
USP	United States Pharmacopoeia