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Overall it was found that styelsamine analogues were stronger DNA binders , with the natural products styelsamines B and D having particularly high affinity ( K ( app ) 5 . 33 x 10 ( 6 ) and 3 . 64 x 10 ( 6 ) M ( - 1 ) , respectively ) .
 Chemical: styelsamine; Chemical: styelsamines B and D
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: styelsamine; Chemical: styelsamines B and D