2495
Importantly , both classical ( haloperidol ) and atypical ( olanzapine , clozapine and aripiprazole ) antipsychotics were effective in all these models of hyperactivity .
 haloperidol, olanzapine, clozapine, aripiprazole, hyperactivity
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 haloperidol, olanzapine, clozapine, aripiprazole, hyperactivity