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1,1-Dimethylethyl 3,3-difluoro-1-azetidinecarboxylate1255666-59-142 % similar 1-Boc-4-methylpiperazine53788-49-142 % similar tert-Butyl piperazine-1-carboxylate57260-71-642 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-342 % similar 1,1-Dimethylethyl (3S,4S)-3-amino-4-fluoro-1-pyrrolidinecarboxylate1009075-43-742 % similar tert-Butyl 3-(hydroxymethyl)pyrrolidine-1-carboxylate114214-69-642 % similar 1,1-Dimethylethyl (3S,4R)-3-amino-4-fluoro-1-pyrrolidinecarboxylate1174020-30-442 % similar tert-Butyl 3-methylpiperazine-1-carboxylate120737-59-942 % similar tert-Butyl (3R)-3-(hydroxymethyl)pyrrolidine-1-carboxylate138108-72-242 % similar 1-(tert-Butoxycarbonyl)-3-(methanesulfonyloxy)azetidine141699-58-342 % similar (R)-1-Boc-3-hydroxypiperidine143900-43-042 % similar (S)-1-Boc-3-hydroxypiperidine143900-44-142 % similar tert-Butyl (3R,4R)-3-amino-4-fluoropyrrolidine-1-carboxylate1441392-27-342 % similar 1-Boc-3-aminopiperidine144243-24-342 % similar (S)-4-N-Boc-2-methylpiperazine147081-29-642 % similar 1,1-Dimethylethyl (3S)-3-(methylamino)-1-pyrrolidinecarboxylate147081-59-242 % similar (3R,4R)-tert-Butyl 3-amino-4-hydroxypyrrolidine-1-carboxylate148214-90-842 % similar (R)-4-Boc-2-methylpiperazine163765-44-442 % similar N-Boc-3-aminopiperidine184637-48-742 % similar (R)-1-Boc-3-aminopiperidine188111-79-742 % similar