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A new molecularly imprinted polymer ( MIP ) , selective for major metabolites of quinoxaline - 1 , 4 - dioxides , was prepared through bulk polymerisation using quinoxaline - 2 - carboxylic acid ( QCA ) as template , diethylaminoethylmethacrylate as functional monomer and ethylene glycol dimethacrylate as cross - linker in tetrahydrofuran .
 Chemical: quinoxaline - 1 , 4 - dioxides; Chemical: quinoxaline - 2 - carboxylic acid; Chemical: QCA; Chemical: diethylaminoethylmethacrylate; Chemical: ethylene glycol dimethacrylate; Chemical: tetrahydrofuran
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: quinoxaline - 1 , 4 - dioxides; Chemical: quinoxaline - 2 - carboxylic acid; Chemical: QCA; Chemical: diethylaminoethylmethacrylate; Chemical: ethylene glycol dimethacrylate; Chemical: tetrahydrofuran