12275
Against gram - positive organisms , E - 4767 and E - 5065 were , in general , eight - and fourfold more active than tosufloxacin , which is the most potent of the reference compounds .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None