pitrazepin pitrazepin pitrazepin is a competitive gabaa and glycine receptor antagonist. it has been used to study insect and snail nervous systems in scientific research. pitrazepinclinical datapregnancycategory ? routes ofadministration?atc codenonelegal statuslegal status in general: uncontrolled identifiers iupac name 3-(piperazin-1-yl)-9h-dibenzotriazoloazepine cas number90685-01-1 ypubchem cid146222chemspider128982unii4kha9u8invcomptox dashboard (epa)dtxsid90238239 chemical and physical dataformulac19h19n5molar mass317.396 g·mol−13d model (jsmol)interactive image smiles n4nc(n1ccncc1)n5c2ccccc2cc3ccccc3c45