16681
In this study , the stabilization effects of three polymers on four model drugs ( felodipine , fenofibrate , carbamazepine , and celecoxib ) under saturated humidity were investigated .
 Chemical: felodipine; Chemical: fenofibrate; Chemical: carbamazepine; Chemical: celecoxib
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: felodipine; Chemical: fenofibrate; Chemical: carbamazepine; Chemical: celecoxib