17083
The best compound of this series was the meta - fluoro - N - 1 - phenyl pyrazolobenzothiazine derivative 4a , which exhibited an EC50 = 3 . 6 mu M , EC90 = 25 . 6 mu M , and CC50 > 180 mu M in the Huh 9 - 13 replicon system , thus providing a good starting point for further hit evolution .
 Chemical: meta - fluoro - N - 1 - phenyl pyrazolobenzothiazine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: meta - fluoro - N - 1 - phenyl pyrazolobenzothiazine