11927
A common intermediate 4 , 5 , 6 - trimethoxybiphenyl - 2 - carbaldehydes was employed to generate the two scaffolds .
 Chemical: 4 , 5 , 6 - trimethoxybiphenyl - 2 - carbaldehydes
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: 4 , 5 , 6 - trimethoxybiphenyl - 2 - carbaldehydes 
Answer:
 Chemical: 4 , 5 , 6 - trimethoxybiphenyl - 2 - carbaldehydes