14876
To address these problems , we developed a conjugate in which hydroxyl - terminated PAMAM dendrimer , G4 - OH [ " D " ] and PEG were used as carriers for the drug ( Ara - C ) .
 hydroxyl, PAMAM, OH, PEG, Ara - C
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 hydroxyl, PAMAM, OH, PEG, Ara - C