3508
Flunitrazepam 0 . 5 , 1 . 0 or 2 . 0 mg was given by the oral or i . m . routes to groups of volunteers and its effects compared .
 Flunitrazepam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Flunitrazepam