13882
The coupling to the hydride is A ( ( 1 ) H ) = 55 and 74 MHz for unsym - amd sym - [ H1 ] ( 0 ) , respectively .
 Chemical: hydride; Chemical: ( 1 ) H; Chemical: H1
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: hydride; Chemical: ( 1 ) H; Chemical: H1