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4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-0100 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-467 % similar 4-(2-Aminoethyl)-1-boc-piperidine146093-46-163 % similar 3-(4-(tert-Butoxycarbonyl)piperazin-1-yl)propanoic acid242459-97-862 % similar N-Boc-N-methylethylenediamine121492-06-661 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-961 % similar 1-Boc-4-methylpiperazine53788-49-160 % similar N-Boc-piperazine57260-71-660 % similar 4-Boc-1-piperazineacetic acid156478-71-659 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-859 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-258 % similar 1-Boc-4-(aminomethyl)piperidine144222-22-056 % similar 1,1-Dimethylethyl 3-(2-aminoethyl)-1-azetidinecarboxylate898271-20-056 % similar N-Boc-diethanolamine103898-11-956 % similar N-Boc-N,N-bis(2-chloroethyl)amine118753-70-156 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-356 % similar tert-Butyl 4-aminopiperidine-1-carboxylate87120-72-755 % similar tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-555 % similar 1-Boc-4-methylenepiperidine159635-49-154 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-054 % similar