2687
M1 was identified as the N - acetylated species [ ( 2R ) - 3 - acetamido - 2 - fluoropropyl ] - phosphinic acid , and M6 as [ ( 2R ) - 3 - amino - 2 - fluoropropyl ] - phosphonic acid .
 Chemical: N; Chemical: [ ( 2R ) - 3 - acetamido - 2 - fluoropropyl ] - phosphinic acid; Chemical: [ ( 2R ) - 3 - amino - 2 - fluoropropyl ] - phosphonic acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: N; Chemical: [ ( 2R ) - 3 - acetamido - 2 - fluoropropyl ] - phosphinic acid; Chemical: [ ( 2R ) - 3 - amino - 2 - fluoropropyl ] - phosphonic acid