10689
Two trypsin inhibitors and one chymotrypsin inhibitor from Chinese Daboia russellii siamensis venom , denoted as CBPTI - 1 , CBPTI - 2 and CBPTI - 3 were purified , characterized and cloned from lyophilized venom - derived cDNA libraries .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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