28498
An optimized EEG submicrometer powder formulation , consisting of albuterol sulfate ( drug ) , mannitol ( hygroscopic excipient ) , l - leucine ( dispersion enhancer ) and poloxamer 188 ( surfactant ) in a ratio of 30 : 48 : 20 : 2 was prepared using a B u chi Nano spray dryer .
 Chemical: albuterol sulfate; Chemical: mannitol; Chemical: l - leucine; Chemical: poloxamer 188
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: albuterol sulfate, mannitol, l - leucine, poloxamer 188 
Answer:
 Chemical: albuterol sulfate; Chemical: mannitol; Chemical: l - leucine; Chemical: poloxamer 188