23215
The levoglucosan formation from phenyl alpha - and beta - d - glucosides under basic conditions is successfully inspected by this 3D - RISM - SCF method at the MP2 and SCS - MP2 levels , though the 1D - RISM - SCF could not be applied to this reaction due to the presence of highly polarized and bulky species .
 levoglucosan, phenyl alpha - and beta - d - glucosides
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
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Answer:
 levoglucosan, phenyl alpha - and beta - d - glucosides