Not official USP-NF text
FELODIPINE
PF LGS# Brand Type of Test Additional Information
24(6) L1 None Cited Assay and Chromatographic purity Harmonization with EP, alternative column Zorbax C18 (Agilent), 15 cm.
21(3) L1 LiChrosorb RP-18 Assay, Identification, and Chromatographic Purity Alternative column Zorbax C18 (Agilent).