5511
The new indole hydrazone derivatives were evaluated for their ability to inhibit platelet aggregation induced by adenosine diphosphate ( ADP ) and arachidonic acid ( AA ) .
 indole hydrazone, adenosine diphosphate, ADP, arachidonic acid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 indole hydrazone, adenosine diphosphate, ADP, arachidonic acid