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Among the tested preparations , formulations with 20 % risperidone , 3 : 2 ERL 100 and ERS 100 as polymers , mixture of olive oil and jojoba oil as enhancer , exhibited greatest cumulative amount of drug permeated ( 1 . 87 +/- 0 . 09 mg / cm ( 2 ) ) in 72 h , so batch ROJ was concluded as optimized formulation and assessed for pharmacokinetic , pharmacodynamic and skin irritation potential .
 Chemical: risperidone; Chemical: ERL 100; Chemical: ERS 100
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: risperidone; Chemical: ERL 100; Chemical: ERS 100