14848
EXPERT OPINION : JAK inhibitor therapy is entering a significant new era with the advent on the market of the JAK1 / 2 inhibitor ruxolitinib and the pan - JAK inhibitor tofacitinib , with unprecedented speed of development .
 Chemical: ruxolitinib; Chemical: tofacitinib
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: ruxolitinib; Chemical: tofacitinib