Celecoxib

Bicalutamide

Nateglinide impurity C - N-[[cis-4-(1-methylethyl)cyclohexyl]carbonyl]-D-phenylalanine (cis-isomer)

Nateglinide impurity B - N-[[trans-4-(1-methylethyl)cyclohexyl]carbonyl]-Lphenylalanine (L-phenylalanine isomer)

Nateglinide impurity A - trans-4-(1-methylethyl)cyclohexanecarboxylic acid

Diltiazem impurity F - (2S,3S)-5-[2-(dimethylamino)ethyl]-3-hydroxy-2-(4-methoxyphenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one

Long pepper for system suitability

Nateglinide

Montelukast for peak identification

Montelukast sodium