3807
Moreover , KF17837 ( 0 . 625 mg / kg p . o . ) potentiated the anticataleptic effects of a subthreshold dose of L - 3 , 4 - dihydroxyphenylalanine ( L - DOPA ; 25 mg / kg i . p . ) plus benserazide ( 6 . 25 mg / kg i . p . ) .
 Chemical: KF17837; Chemical: L - 3 , 4 - dihydroxyphenylalanine; Chemical: L - DOPA; Chemical: benserazide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: KF17837; Chemical: L - 3 , 4 - dihydroxyphenylalanine; Chemical: L - DOPA; Chemical: benserazide