Not official USP-NF text
ZALEPLON
PF LGS# Brand Type of Test Additional Information
36(4) L1 Hypersil-ODS Assay 4 mm x 10 cm, 3 µm.
36(4) L1 Hypersil BDS C-18 Organic Impurities 4.6 mm x 25 cm, 5 µm.