20008
Their biological activities on pancreatic beta - cells and on smooth muscle cells were compared to those of the reference ATP - sensitive potassium channel ( KATP channel ) openers diazoxide and 7 - chloro - 3 - isopropylamino - 4H - 1 , 2 , 4 - benzothiadiazine 1 , 1 - dioxide .
 Chemical: ATP; Chemical: potassium; Chemical: diazoxide; Chemical: 7 - chloro - 3 - isopropylamino - 4H - 1 , 2 , 4 - benzothiadiazine 1 , 1 - dioxide
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: ATP; Chemical: potassium; Chemical: diazoxide; Chemical: 7 - chloro - 3 - isopropylamino - 4H - 1 , 2 , 4 - benzothiadiazine 1 , 1 - dioxide