Pentylenetetrazole

**Definition:** A pharmaceutical agent that displays activity as a central nervous system and respiratory stimulant. It is considered a non-competitive GAMMA-AMINOBUTYRIC ACID antagonist. Pentylenetetrazole has been used experimentally to study seizure phenomenon and to identify pharmaceuticals that may control seizure susceptibility.

**Tree numbers:** - D03.383.066.600

**Synonyms:** - Leptazole - Pentamethylenetetrazole - Pentetrazole - Pentylenetetrazol