20175
A library of promising enmein - type 14 - O - diterpenoid derivatives was constructed from a commercially available kaurene - type oridonin by practical and efficient synthetic methods .
 Chemical: enmein; Chemical: 14 - O - diterpenoid; Chemical: kaurene; Chemical: oridonin
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: enmein; Chemical: 14 - O - diterpenoid; Chemical: kaurene; Chemical: oridonin