24046
Two peptides containing BpyAla were synthesized and found to bind Ni ( 2 + ) with low micromolar dissociation constants .
 Chemical: BpyAla; Chemical: Ni ( 2 + )
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: BpyAla; Chemical: Ni ( 2 + )