Puromycin is an antibiotic protein synthesis inhibitor. It inhibits protein synthesis by binding to RNA. It also serves as an anticancer drug by suppressing the growth and metastasis in esophagus cancer cells by Akt phosphorylation. It is an antineoplastic and antitrypanosomal agent and is used in research as an inhibitor of protein synthesis.

WAY-604663 (2,3-diphenylquinoxaline-6-sulfonamide) may have antibacterial analgesic and anti-inflammatory activities.

Fosmidomycin sodium salt (FR-31564 sodium salt) is an anti-infective antibiotic with anti-malarial activity that inhibits both Gram-negative and Gram-positive bacteria.