Not official USP-NF text
FENTANYL CITRATE INJECTION
PF LGS# Brand Type of Test Additional Information
10(4) L1 Chromegabond M-C18 Assay NULL
12(1) L1 Hypersil-ODS Assay Manuf. Thermo Hypersil-Keystone.
18(1) L1 None Cited Identity See Assay