1. ANDAs for certain highly purified synthetic peptide drug products that refer to listed drugs of rDNA origin Publication: Silver Spring, MD : Center for Drug Evaluation and Research, May 2021 Subject(s): Chemistry Techniques, SyntheticDNA, RibosomalDrug ApprovalDrugs, GenericUnited StatesUnited States. Department of Health and Human ServicesUnited States. Food and Drug Administration