5413
CaHPO ( 4 ) led to a lower pH and stronger alginate - mAb1 interactions .
 Chemical: CaHPO ( 4 )
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: CaHPO ( 4 )