18003
These results suggested that acylation of the 19 - OH group of kaurane - and beyerane - type diterpenoids might be useful for enhancement of their cytotoxicities with apoptosis - inducing activity .
 Chemical: OH; Chemical: kaurane; Chemical: beyerane; Chemical: diterpenoids
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: OH; Chemical: kaurane; Chemical: beyerane; Chemical: diterpenoids