Not official USP-NF text
RIFAMPIN, ISONIAZID, PYRAZINAMIDE, AND ETHAMBUTOL HYDROCHLORIDE TABLETS
PF LGS# Brand Type of Test Additional Information
26(5) L1 Luna C18 Assay for . . . . . . . . 4.6-mm x 25-cm. Manuf. Phenomenex. Assay for rifampin, isoniazid, and pyrazinamide.
26(5) L10 ZORBAX SB-CN Assay for . . . . . . . . 4.6-mm x 15-cm. Manuf. Mac-Mod. Assay for ethambutol hydrochloride.