11447
Seven new labdane - type diterpenoids , vitextrifolins A - G ( 1 - 7 ) , along with eight previously reported analogues , were isolated from the fruits of Vitex trifolia .
 Chemical: labdane; Chemical: diterpenoids; Chemical: vitextrifolins A - G
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: labdane; Chemical: diterpenoids; Chemical: vitextrifolins A - G