Complex sentence: Bicalutamide is not as hepatotoxic as flutamide and nilutamide and a has longer half life, or 6 days in humans, that allows once a day administration at lower dosage.
Split into simpler sentences: Bicalutamide is not as hepatotoxic as flutamide and nilutamide and has longer half life, or 6 days in humans. That allows once a day administration at lower dosage.