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The other pathway resulting in the formation of fragment ion 5g involves the removal of two neutral molecules , HCHO and SO2 , from the daughter fragment ion 5c ( m / z 331 , 5 % ) , which is formed by releasing the free radical group CCl3 from fragment ion 5a .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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