29727
In vivo FT - Raman spectroscopy reveals the presence of H2O2 , methionine sulfoxide , and tryptophan metabolites ; i . e . , N - formylkynurenine and kynurenine , implying Fenton chemistry in the cascade ( n = 10 ) .
 Chemical: H2O2; Chemical: methionine sulfoxide; Chemical: tryptophan; Chemical: N - formylkynurenine; Chemical: kynurenine
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: H2O2; Chemical: methionine sulfoxide; Chemical: tryptophan; Chemical: N - formylkynurenine; Chemical: kynurenine