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The structure of melodamide A ( 1 ) was established with a combination of 2D NMR experiments , HR - ESI - MS and X - ray analyses .
 Chemical: melodamide A
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: melodamide A