7019
Compounds 5f , and 6k exhibited not only excellent potency in both enzyme assay ( IC ( 50 ) = 5 . 1 , 16 . 6 nM ) and cellular assay ( IC ( 50 ) = 0 . 2 , 0 . 2 mu M ) , but also had an outstanding selectivity profile against other kinases .
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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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