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2-((2R)-1-((tert-Butoxy)carbonyl)pyrrolidin-2-yl)acetic acid101555-60-654 % similar Boc-N-methyl-L-leucine53363-89-654 % similar (S)-2-(1-BOC-2-pyrrolidinyl)acetic acid56502-01-354 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-254 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-754 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-953 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-853 % similar (3S)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid140148-70-553 % similar 1-((tert-Butoxy)carbonyl)pyrrolidine-3-carboxylic acid59378-75-553 % similar (3R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-3-carboxylic acid72925-16-753 % similar 1-(1,1-Dimethylethyl) (2S,4S)-4-(methoxymethyl)-1,2-pyrrolidinedicarboxylate1378388-16-953 % similar 1-Cbz-2-piperidinecarboxylic acid28697-07-653 % similar (D)-N-(Benzyloxycarbonyl)pipecolic acid28697-09-853 % similar 1-Carbobenzoxy-2-piperidinecarboxylic Acid71170-88-253 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-952 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-352 % similar N-Boc-L-trans-4,5-methanoproline197142-34-052 % similar Boc-3,4-dehydro-pro-oh51154-06-452 % similar 1-Boc-Azetidine-3-carboxylic acid142253-55-251 % similar (S)-1-N-Boc-2-(aminomethyl)pyrrolidine119020-01-851 % similar