14615
Ticlopidine also significantly increased the dose - adjusted plasma area under the curve for R - and S - methadone by 20 % and 60 % , respectively , after both intravenous and oral dosing .
 Chemical: Ticlopidine; Chemical: R - and S - methadone
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: Ticlopidine; Chemical: R - and S - methadone