2741
A solvent casting method using silicone - typed PSA was employed , and n - hexane , an original solvent for the PSA and one more solvent , dichloromethane , tetrahydrofuran , acetone , ethyl acetate or toluene , were used for complete dissolution of ketotifen and high dispersion in an amorphous state of the drug .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None