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Phantasmidine

Phantasmidine is a toxic substance derived from the Ecuadorian poisonous frog Anthony's poison arrow frog (Epipeptobates Anthonyi), more commonly known as the “phantasmal poison frog”. It is a nicotinic agonist, meaning it binds to nicotinic receptors in the body and mimics the effects of the neurotransmitter acetylcholine. This causes the stimulation of the body’s parasympathetic nervous system, which induces many inhibitory behaviors in the body such as decreased heart rate.

Phantasmidine is characterized in the same class as epibatidine, which is a similar nicotinic acetylcholine agonist derived from a poisonous frog species. Some synthetic processes can even generate phantasmidine from using epibatidine as a starting reagent. Epibatidine and epibatidine-related compounds have an LD50 of around 4 µg in mice; however, the exact LD of phantasmidine is not known.