13831
Such nanocarriers release ATP and AZT - TP in physiological media and allow an efficient in vitro cellular delivery of these molecules down to the cell cytoplasm .
 ATP, AZT - TP
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 ATP, AZT - TP