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1-Acetyl-2-imidazolidinone5391-39-9100 % similar 2-Oxo-1-imidazolidinecarbonyl chloride13214-53-456 % similar Tetraacetylethylenediamine10543-57-448 % similar 1-(Methylsulfonyl)-2-imidazolidinone41730-79-442 % similar 1,4-Diacetyl-2,5-piperazinedione3027-05-240 % similar 1-Acetyl-2-pyrrolidone932-17-239 % similar 1-(2-Hydroxyethyl)-2-imidazolidinone3699-54-538 % similar Acetylcaprolactam1888-91-137 % similar 1-(2-Aminoethyl)-2-imidazolidinone6281-42-137 % similar N-Acetylpyrrolidine4030-18-635 % similar 3-Acetyl-1-chlorocarbonyl-2-imidazolidone41730-71-635 % similar (αS)-Tetrahydro-α-(1-methylethyl)-2-oxo-1(2H)-pyrimidineacetic acid192725-50-135 % similar N-Methyldiacetamide1113-68-434 % similar 1-Acetylpiperidine618-42-834 % similar 1-Acetylpiperidine-4-carboxylic acid25503-90-634 % similar N-Acetyl-beta-alanine3025-95-433 % similar 1-Acetylpiperidin-4-ol4045-22-133 % similar Pramiracetam68497-62-133 % similar Ac-dl-pro-oh1074-79-933 % similar Carmustine154-93-833 % similar