3678
Plasma extracts were analyzed by a highly sensitive high - performance liquid chromatographic method for the direct determination of malondialdehyde , oxypurines , and nucleosides .
 Chemical: malondialdehyde; Chemical: oxypurines; Chemical: nucleosides
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: malondialdehyde; Chemical: oxypurines; Chemical: nucleosides