19799
These findings indicate that the suppressive effects of 1 and 2 on the differentiation of preosteoclastic RAW 264 . 7 cells is partially due to their intracellular antioxidant capacity , as they can scavenge ROS and play an important signaling role in the differentiation process .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None