26414
Furthermore , compound 12 a exhibited a favorable pharmacokinetic profile with a half - life of 5 . 11 +/- 0 . 52 h , which is longer than that of vancomycin ( 4 . 3 +/- 1 . 9 h ) .
 Chemical: vancomycin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: vancomycin 
Answer:
 Chemical: vancomycin