14165
The monoglucuronides and sulfates of epicatechin , 3 ' - O - methylepicatechin , and 4 ' - O - methylepicatechin , respectively , were synthesized as authentic bioanalytical standards .
 Chemical: monoglucuronides; Chemical: sulfates; Chemical: 3 ' - O - methylepicatechin; Chemical: 4 ' - O - methylepicatechin
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: monoglucuronides, sulfates, 3 ' - O - methylepicatechin, 4 ' - O - methylepicatechin 
Answer:
 Chemical: monoglucuronides; Chemical: sulfates; Chemical: 3 ' - O - methylepicatechin; Chemical: 4 ' - O - methylepicatechin