19899
IP Lapin ( 1903 - 2012 ) and his research team on the role of methoxyindole and kynurenine ( KYN ) pathways of tryptophan ( TRP ) metabolism in the pathogenesis of depression and action mechanisms of antidepressant effect .
 Chemical: methoxyindole; Chemical: kynurenine; Chemical: KYN; Chemical: tryptophan; Chemical: TRP
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: methoxyindole; Chemical: kynurenine; Chemical: KYN; Chemical: tryptophan; Chemical: TRP