Simetryn is a rice paddy herbicide and acts as a chemical stressor retarding tadpole growth and development without disrupting thyroid functions, even at 1/100 of the 96-h LC50 value.

Nandrolone decanoate is an anabolic steroid used in doping.

Neuropeptide Y (1-24) (human) is a neuropeptide with potencies in inhibiting the electricity stimulated twitch response of rat vas deferens. Neuropeptide Y (1-24) (human) stimulates N-methyl-D-aspartate (NMDA)-induced neuronal activation in the rat CA3 region of the dorsal hippocampus in vivo.