4036
Timolol ( but not pilocarpine ) was detected in a sample of plasma removed during surgery ; the plasma concentration of timolol ( 2 . 6 ng ml - 1 ) was consistent with partial beta - adrenoceptor blockade .
 Chemical: Timolol; Chemical: pilocarpine; Chemical: timolol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: Timolol; Chemical: pilocarpine; Chemical: timolol