4648
Unambiguous structure elucidation of heterocyclic products from condensation - cyclisation reactions of enaminones by 2D INADEQUATE and 15N NMR .
 Chemical: enaminones; Chemical: 15N
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: enaminones; Chemical: 15N