21143
Phytochemical investigation of the dichloromethane extract of the leaves of Peltophorum pterocarpum , a tropical ornamental tree , led to the isolation of twelve compounds ( 1 - 12 ) .
 Chemical: dichloromethane
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: dichloromethane 
Answer:
 Chemical: dichloromethane