27769
This formal intramolecular hydroamination reaction provides access to highly enantioenriched alpha - substituted pyrrolidine products and represents a complementary approach to metal - catalyzed methods .
 Chemical: pyrrolidine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: pyrrolidine