6663
Time - dependent ( irreversible ) inhibition by S . frutescens was observed for CYP3A4 / 5 ( K ( I ) = 296 micro g / ml , k ( inact ) = 0 . 063 min ( - 1 ) ) under the conditions of this study .
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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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