Not official USP-NF text
NYSTATIN
PF LGS# Brand Type of Test Additional Information
28(1) L1 Symmetry C-18 Assay 4.6-mm x 25-cm 5 µm, manuf. Waters.
30(1) L1 Hypersil C18 Composition 4.6 mm x 15 cm, 5 µm, manufacturer ThermoHypersil-Keystone.