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4-[4-(tert-Butoxycarbonyl)piperazin-1-yl]benzoic acid162046-66-4100 % similar 1-(1,1-Dimethylethyl) 4-(4-carboxyphenyl)-1-piperidinecarboxylate149353-75-367 % similar 4-(4-Aminophenyl)piperazine-1-carboxylic acid tert-butyl ester170911-92-967 % similar tert-Butyl 4-(4-bromophenyl)piperazine-1-carboxylate352437-09-367 % similar 1-Boc-4-(2-carboxyphenyl)piperazine444582-90-563 % similar 4-(4-tert-Butoxycarbonylpiperazinyl)phenylboronic acid, pinacol ester470478-90-160 % similar 2-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-7-carboxylic acid149353-95-758 % similar tert-Butyl 4-(6-aminopyridin-3-yl)piperazine-1-carboxylate571188-59-557 % similar 4-(4-Methylpiperazino)benzoic acid86620-62-457 % similar 4-(1-Pyrrolidinyl)benzoic acid22090-27-355 % similar 4-Morpholinobenzoic acid7470-38-455 % similar 4-Piperidin-1-yl-benzoic acid22090-24-053 % similar 1,1-Dimethylethyl 4-(6-nitro-3-pyridinyl)-1-piperazinecarboxylate571189-16-752 % similar 4-(Diethylamino)benzoic acid5429-28-750 % similar tert-Butyl 4-benzylpiperazine-1-carboxylate57260-70-548 % similar 4-Boc-1-piperazineacetic acid156478-71-648 % similar N-Boc-diethanolamine103898-11-948 % similar N-Boc-N,N-bis(2-chloroethyl)amine118753-70-148 % similar 1-Boc-4-methylpiperazine53788-49-148 % similar tert-Butyl piperazine-1-carboxylate57260-71-648 % similar