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1-(3-Hydroxy-1-azetidinyl)ethanone118972-96-641 % similar 1-Acetyl-2-pyrrolidone932-17-241 % similar 1-Butyl-4-piperidinone23081-86-940 % similar 1-Isobutyl-4-piperidinone72544-16-240 % similar 1-Benzoyl-4-piperidone24686-78-039 % similar 1-Cyclopropylpiperidin-4-one62813-01-839 % similar 1-Methylpyrrolidin-3-one68165-06-039 % similar N-Boc-hexahydro-1H-azepin-4-one188975-88-439 % similar 1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone67914-60-739 % similar 1-[4-(4-Aminophenyl)piperazin-1-yl]ethan-1-one92394-00-839 % similar Acetylcaprolactam1888-91-139 % similar 1-N-Ethoxycarbonyl-3-pyrrolidone14891-10-238 % similar 1,4-Cyclohexanedione637-88-738 % similar Benzyl 4-oxo-1-piperidinecarboxylate19099-93-538 % similar 1-Methylhexahydro-4-azepinone hydrochloride19869-42-238 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-737 % similar 1,4-Diacetyl-2,5-piperazinedione3027-05-237 % similar N-Methyldiacetamide1113-68-436 % similar 4-Heptanone123-19-336 % similar Dimethylacetamide127-19-536 % similar