6310
Cucurbitacins I and D showed a very strong cytotoxicity , which was higher than that of cytochalasin D , used as a drug reference .
 Chemical: Cucurbitacins I and D; Chemical: cytochalasin 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: Cucurbitacins I and D; Chemical: cytochalasin D