18053
A new halimane diterpenoid , 13 - hydroxy - 5 ( 10 ) , 14 - halimadien - 6 - one ( 1 ) and two new labdane diterpenoids , 6 alpha , 7 alpha - diacetoxy - 13 - hydroxy - 8 ( 9 ) , 14 - labdadien ( 2 ) and 9 - hydroxy - 13 ( 14 ) - labden - 15 , 16 - olide ( 3 ) , were isolated for the first time , along with fifteen known compounds , from the hexane soluble fraction of methanolic extract of Vitex trifolia leaves .
 Chemical: halimane diterpenoid; Chemical: 13 - hydroxy - 5 ( 10 ) , 14 - halimadien - 6 - one; Chemical: labdane diterpenoids; Chemical: 6 alpha , 7 alpha - diacetoxy - 13 - hydroxy - 8 ( 9 ) , 14 - labdadien; Chemical: 9 - hydroxy - 13 ( 14 ) - labden - 15 , 16 - olide; Chemical: hexane
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: halimane diterpenoid; Chemical: 13 - hydroxy - 5 ( 10 ) , 14 - halimadien - 6 - one; Chemical: labdane diterpenoids; Chemical: 6 alpha , 7 alpha - diacetoxy - 13 - hydroxy - 8 ( 9 ) , 14 - labdadien; Chemical: 9 - hydroxy - 13 ( 14 ) - labden - 15 , 16 - olide; Chemical: hexane