While there are several different products that may be used as rodenticides, including strychnine, zinc phosphide, and aluminum phosphide, this presentation will focus on the rodenticides that are most often encountered: anticoagulants, bromethalin, and cholecalciferol.

Aspirin (acetylsalicylic acid, ASA) is the salicylate ester of acetic acid and is a weak acid derived from phenol.

Permethrin, a synthetic type I pyrethroid, is found in many flea and tick shampoos, dips, foggers, spot-ons, and sprays as well as many household and yard insecticide formulations.

Methanol (also known as methyl alcohol or wood alcohol) is found most commonly in "antifreeze" windshield washer fluid and varies in concentration from 20-100% (with 20-30% being the most common form).