15520
ETU was extracted by alkaline acetonitrile ( containing 1 % NH ( 3 ) . H ( 2 ) 0 ) , separated on a ZIC - pHILIC column , confirmed by multiple reaction monitoring ( MRM ) mode with electrospray ionisation source .
 Chemical: ETU; Chemical: acetonitrile; Chemical: NH ( 3 ) . H ( 2 ) 0
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: ETU; Chemical: acetonitrile; Chemical: NH ( 3 ) . H ( 2 ) 0