14874
1 beta - d - Arabinofuranosylcytosine ( Cytarabine , Ara - C ) is a key drug in the treatment of acute myeloid leukemia .
 1 beta - d - Arabinofuranosylcytosine, Cytarabine, Ara - C
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 1 beta - d - Arabinofuranosylcytosine, Cytarabine, Ara - C