4145
Since instillation of 0 . 3 M ( 48 . 7 g / L ) FeCl3 in saline to rodent vagina failed to elicit damage , a topical do not use concentration of 2000 mg FeCl3 / L ( 600 mg Fe / L ) can be assigned .
 FeCl3, FeCl3, Fe
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 FeCl3, FeCl3, Fe