14342
A series of N - 14 sidechain substituted analogues of styelsamine ( pyrido [ 4 , 3 , 2 - mn ] acridine ) and cystodytin ( pyrido [ 4 , 3 , 2 - mn ] acridin - 4 - one ) alkaloids have been prepared and evaluated for their DNA binding affinity and antiproliferative activity towards a panel of human tumor cell lines .
 Chemical: styelsamine; Chemical: pyrido [ 4 , 3 , 2 - mn ] acridine; Chemical: cystodytin; Chemical: pyrido [ 4 , 3 , 2 - mn ] acridin - 4 - one
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: pyrido [ 4 , 3 , 2 - mn ] acridine; Chemical: cystodytin; Chemical: pyrido [ 4 , 3 , 2 - mn ] acridin - 4 - one