Not official USP-NF text
NARATRIPTAN HYDROCHLORIDE
PF LGS# Brand Type of Test Additional Information
27(5) L11 Spherisorb P(Phenyl) Assay 4.6 mm x 15 cm, 3 µm.
27(5) L1 J'Sphere ODS-M80 Chromatographic purity 4.6 mm x 15 cm, 4 µm.