10135
All the target compounds showed improved anti - proliferative activity against a panel of human cancer cell lines and the most effective compound 12j was more potent than positive control Taxol in K562 and Bel - 7402 cells with IC ( 50 ) values of 0 . 39 mu M and 1 . 39 mu M , respectively .
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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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