16554
Here , we show that N , N - diethyl - N - methyl - N - ( 2 - methoxyethyl ) ammonium tetrafluoroborate ( [ DEME ] [ BF4 ] ) could be crystallized upon compression , but it usually formed a superpressed liquid .
 Chemical: N , N - diethyl - N - methyl - N - ( 2 - methoxyethyl ) ammonium tetrafluoroborate; Chemical: [ DEME ] [ BF4 ]
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 , N - diethyl - N - methyl - N - ( 2 - methoxyethyl ) ammonium tetrafluoroborate; Chemical: [ DEME ] [ BF4 ]