20294
Towards the bioequivalence of pressurised metered dose inhalers 1 : Design and characterisation of aerodynamically equivalent beclomethasone dipropionate inhalers with and without glycerol as a non - volatile excipient .
 Chemical: beclomethasone dipropionate; Chemical: glycerol
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: beclomethasone dipropionate; Chemical: glycerol