Diphacinone – Formulated to attract rats and mice, Ramik Green Rodent Nuggets has a high protein, fish-flavored aroma. Mold and moisture-resistant, the bait comes in ready-to-use nuggets for no-mess, easy placement. The 1/2″ nuggets are hot extruded for weather resistance without wax. Contains Diphacinone, an extremely effective anticoagulant rodenticide.