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1-(1,1-Dimethylethyl) 2-methyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate108963-96-8100 % similar Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate91229-91-382 % similar 1-(1,1-Dimethylethyl) 2-ethyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate144978-12-172 % similar 1-Boc-D-pyroglutamic acid ethyl ester144978-35-872 % similar (R)-Boc-5-oxopyrrolidine-2-carboxylic acid160347-90-065 % similar 1-(1,1-Dimethylethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate53100-44-065 % similar 1-(1,1-Dimethylethyl) 2-(phenylmethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate113400-36-562 % similar Azetidine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester255882-72-560 % similar Boc-L-pro-ome59936-29-758 % similar Boc-D-pro-ome73323-65-658 % similar 1-tert-Butyl 2-methyl piperidine-1,2-dicarboxylate167423-93-057 % similar Boc-L-pyroglutaminol81658-25-556 % similar 1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate102195-80-254 % similar (R)-1-tert-Butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate256487-77-154 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-854 % similar 1-(1,1-Dimethylethyl) 4-methyl 1,4-piperidinedicarboxylate124443-68-153 % similar 3-tert-Butyl 4-methyl (4S)-2,2-dimethyl-1,3-oxazolidine-3,4-dicarboxylate108149-60-653 % similar (R)-Methyl-3-(tert-butoxycarbonyl)-2,2-dimethyl-4-oxazolidinecarboxylate95715-86-953 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-452 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-751 % similar