30171
Two new iridoid esters , named patriheterdoid B , C , have been isolated from the rhizomes and roots of Patrinia heterophylla Bunge .
 Chemical: iridoid esters; Chemical: patriheterdoid B , C
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: iridoid esters, patriheterdoid B , C 
Answer:
 Chemical: iridoid esters; Chemical: patriheterdoid B , C