The majority of these peptides currently exist in a gray zone where they are legal to purchase and own but are not approved for human use
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Minimal inhibitory and mutant prevention concentrations of azithromycin, clarithromycin and erythromycin for clinical isolates of Streptococcus pneumoniae
Wang, Z., Cheng, Y., Ma, N., Mikhailov, E., Pschl, U., and Su, H.: Dependence of the hygroscopicity parameter on particle size, humidity and solute concentration: implications for laboratory experiments, field measurements and model studies, Atmos