Not official USP-NF text
PROMETHAZINE HYDROCHLORIDE AND DEXTROMETHORPHAN HYDROBROMIDE ORAL SOLUTION
PF LGS# Brand Type of Test Additional Information
35(2) L1 Inertsil ODS-3 Assay, Identification, and Related Compounds Related compounds Test B. 4.6 mm x 25 cm, 5 µm
35(2) L1 Symmetry C18 Related compounds Related compounds - Test A. 4.6 mm x 15 cm, 5 µm