Terbinafine lactate (TDT 067 lactate) is an orally active and potent antifungal agent. Terbinafine lactate is a potent non-competitive inhibitor of squalene epoxidase from Candida , with a K i of 30 nM. Terbinafine lactate also shows antibacterial activity against certain Gram-positive and Gram-negative bacteria. Terbinafine (lactate) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.