4-Trehalosamine is a derivative of trehalose with weak antibacterial activity. 4-Trehalosamine shows no toxic effects when injected intravenously into mice at a dose of 625 mg/kg[1].
References
[1] Kamiosaki, et al. 4-AMINO-4-DEOXY-a, a-TREHALOSE, A NEW METABOLITE OF A STREPTOMYCES. THE JOURNAL OF ANTIBIOTICS. November 19, 1973.