Hamilton-Miller JM (November 2003). "Chemical and microbiologic aspects of penems, a distinct class of beta-lactams: focus on faropenem". Pharmacotherapy. 23 (11): 1497–1507. doi:10.1592/phco.23.14.1497.31937. PMID14620395. S2CID43705118.
Vitaku E, Smith DT, Njardarson JT (December 2014). "Analysis of the structural diversity, substitution patterns, and frequency of nitrogen heterocycles among U.S. FDA approved pharmaceuticals". Journal of Medicinal Chemistry. 57 (24): 10257–10274. doi:10.1021/jm501100b. PMID25255204.
Hamilton-Miller JM (November 2003). "Chemical and microbiologic aspects of penems, a distinct class of beta-lactams: focus on faropenem". Pharmacotherapy. 23 (11): 1497–1507. doi:10.1592/phco.23.14.1497.31937. PMID14620395. S2CID43705118.
Vitaku E, Smith DT, Njardarson JT (December 2014). "Analysis of the structural diversity, substitution patterns, and frequency of nitrogen heterocycles among U.S. FDA approved pharmaceuticals". Journal of Medicinal Chemistry. 57 (24): 10257–10274. doi:10.1021/jm501100b. PMID25255204.
Hamilton-Miller JM (November 2003). "Chemical and microbiologic aspects of penems, a distinct class of beta-lactams: focus on faropenem". Pharmacotherapy. 23 (11): 1497–1507. doi:10.1592/phco.23.14.1497.31937. PMID14620395. S2CID43705118.