Dexamethasone 9, 11-epoxide is an impurity in the commercial preparation of dexamethasone. Dexamethasone is an anti-inflammatory compound approved by the FDA for several conditions, including arthritis, skin diseases, croup, brain swelling, and others.

Ceftiofur is an antibiotic of the cephalosporin type (third generation), licensed for use in veterinary medicine only. It was first described in 1987. It is marketed by pharmaceutical company Zoetis as Excenel, Naxcel, and Excede and is also the active ingredient in that company's Spectramast LC (lactating cow formulation) and Spectramast DC (dry cow formulation) product. Ceftiofur has worldwide approvals for respiratory disease in swine, ruminants (cattle, sheep and goats) and horses and has also been approved for foot rot and metritis infections in cattle. Ceftiofur has also been approved in various countries for early mortality infections in day-old chicks and turkey poults. Ceftiofur (NAXCEL) is indicated for treatment of bovine respiratory disease (shipping fever, pneumonia) associated with Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni. NAXCEL is also indicated for treatment of acute bovine interdigital necrobacillosis (foot rot, pododermatitis) associated with Fusobacterium necrophorum and Bacteroides melaninogenicus.