12159
Hoechst 33342 , Annexin V - FITC / PI , TUNEL staining and flow cytometry were used to evaluate the extent of apoptosis at each concentration of SZ - 685C .
 FITC, SZ - 685C
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 FITC, SZ - 685C