8978
In vitro , Schild plot analysis and reversibility tests at the target confirmed the NAM properties of the compound and attenuation of L - ( + ) - 2 - amino - 4 - phosphonobutyric acid - induced synaptic depression confirmed activity at the native receptor .
 Chemical: L - ( + ) - 2 - amino - 4 - phosphonobutyric acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: L - ( + ) - 2 - amino - 4 - phosphonobutyric acid