20239
( + ) - Laburnamine , a Natural Selective Ligand and Partial Agonist for the alpha 4 beta 2 Nicotinic Receptor Subtype .
 Chemical: ( + ) - Laburnamine
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: ( + ) - Laburnamine