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A potential drawback with the use of mannitol as a bulking agent is its existence as mannitol hemihydrate ( MHH ; C6H14O6 ( . ) 0 . 5H2O ) in the lyophile .
 Chemical: mannitol; Chemical: mannitol hemihydrate; Chemical: MHH; Chemical: C6H14O6 ( . ) 0 . 5H2O
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: mannitol; Chemical: mannitol hemihydrate; Chemical: MHH; Chemical: C6H14O6 ( . ) 0 . 5H2O