19662
In this study , co - crystal powders of indomethacin and saccharin ( IMC - SAC ) were prepared by an anti - solvent ( water ) addition and compared with co - crystals by evaporation method .
 indomethacin, saccharin, IMC, SAC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 indomethacin, saccharin, IMC, SAC