(1R,7aR)-5-Oxo-hexahydro-pyrrolizine-1-carboxylic acid amide
methyl 5-oxo-hexahydro-1H-pyrrolizine-1-carboxylate
4-(acetylamino)-5-chloro-2-methoxybenzoic acid
endo-(pyrrolizidin-1-ylmethyl)amine
(1S,7aR)-5-Oxo-hexahydro-pyrrolizine-1-carboxylic acid amide