5638
Rational ligand design : Schaeffer ' s acid analogues were identified as novel inhibitors of M . tuberculosis type II dehydroquinase , a key enzyme of the shikimate pathway .
 Chemical: Schaeffer ' s acid
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: Schaeffer ' s acid