3-Hydroxy-2-pyrrolidinone15166-68-4100 % similar (3S)-3-Aminopiperidin-2-one34294-79-640 % similar L-2-Aminohexano-6-lactam21568-87-639 % similar D-Alpha-amino-epsilon-caprolactam28957-33-739 % similar Ethyl 2-oxopyrrolidine-3-carboxylate36821-26-837 % similar 3-Methoxy-2-piperidone25219-59-436 % similar α-Hydroxy-γ-butyrolactone19444-84-933 % similar (S)-(-)-Alpha-hydroxy-gamma-butyrolactone52079-23-933 % similar (R)-(+)-Alpha-hydroxy-gamma-butyrolactone56881-90-433 % similar (S)-2-Amino-3-((S)-2-oxopyrrolidin-3-yl)propanenitrile hydrochloride2755950-35-533 % similar Sebacoin96-00-432 % similar 3-Phenylpiperazin-2-one5368-28-531 % similar 4-Amino-2-hydroxybutanoic acid13477-53-731 % similar (S)-(-)-4-Amino-2-hydroxybutyric acid40371-51-531 % similar 2-Azabicyclo(2.2.2)octan-3-one3306-69-231 % similar 5-Hydroxy-4-octanone496-77-530 % similar