Maytansine, an ansamycin antibiotic originally isolated from the Ethiopian shrub Maytenus serrata, inhibits the assembly of microtubules by binding to tubulin at the rhizoxin binding site.

Isothiuronium (AHR 1911) is a protein synthesis inhibitor with antimicrobial and anti-inflammatory activity that induces apoptosis and reduces melanoma cell invasion, and can be used in dermatitis research.

Florfenicol amine hydrochloride is a synthetic veterinary antibiotic with antimicrobial activity.Florfenicol amine hydrochloride is widely used in aquaculture and ranching for the study of diseases caused by Bartonella, Edwardsiella, Escherichia coli, and Salmonella.