<Tr> <Td> MeSH </Td> <Td> gamma - Aminobutyric + Acid </Td> </Tr> <Tr> <Td> PubChem CID </Td> <Td> <Ul> <Li> 119 </Li> </Ul> </Td> </Tr> <Ul> <Li> 119 </Li> </Ul> <Tr> <Td> RTECS number </Td> <Td> ES6300000 </Td> </Tr>

The most common excitatory neurotransmitter is gamma aminobutryic acid (gaba)