6665
Furthermore , S . frutescens inhibited P - gp ( IC ( 50 ) = 324 . 8 micro g / ml ) , OATP1B1 ( IC ( 50 ) = 10 . 4 micro g / ml ) , and OATP1B3 ( IC ( 50 ) = 6 . 6 micro g / ml ) .
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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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