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The purpose of this work was to compare the cytotoxicity of three cucurbitacins I , D , E on the chondrosarcoma SW 1353 cancer cell line and to investigate their biotransformation in man .
 Chemical: cucurbitacins I , D , E
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: cucurbitacins I , D , E