7097
We show that the monomethylated linker can be recovered from STAM - 1 intact , demonstrating not only the interesting use of this MOF as a protecting group , but also the ability ( for both STAM - 1 and HKUST - 1 ) to recover isotopically - enriched linkers , thereby reducing significantly the overall cost of the approach .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None