Meloxicam impurity D - N-[(2Z)-3-ethyl-5-methylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2- benzothiazine-3-carboxamide 1,1-dioxide

Benazepril for system suitability

Meloxicam impurity C - N-[(2Z)-3,5-dimethylthiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2- benzothiazine-3-carboxamide 1,1-dioxide

Meloxicam impurity B - 5-methylthiazol-2-amine

Meloxicam impurity A - ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Lynestrenol for peak identification

Levodropropizine impurity B - 1-phenylpiperazine

Lamotrigine impurity E - 2,3-dichlorobenzoic acid

Lamotrigine for peak identification

Lamotrigine