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1-Boc-4-methylpiperazine53788-49-1100 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-969 % similar N-Boc-piperazine57260-71-668 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-867 % similar N-Boc-diethanolamine103898-11-963 % similar N-Boc-N,N-bis(2-chloroethyl)amine118753-70-163 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-363 % similar 1-Boc-4-methylenepiperidine159635-49-161 % similar tert-Butyl 1,4-diazepane-1-carboxylate112275-50-060 % similar 4-(2-Amino-ethyl)-piperazine-1-carboxylic acid tert-butyl ester192130-34-060 % similar 4-Thiocarbamoyl-piperazine-1-carboxylic acid tert-butyl ester196811-66-260 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-460 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-659 % similar 1-Boc-4-methylaminopiperidine147539-41-158 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-257 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-657 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-957 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-857 % similar 1,1-Dimethylethyl 2-oxa-7-azaspiro[3.5]nonane-7-carboxylate240401-27-857 % similar tert-Butyl 4-iodopiperidine-1-carboxylate301673-14-357 % similar