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α-Oxo-1-piperazineacetic acid691394-09-933 % similar 2-Methyl-1-(piperazin-1-yl)propan-1-one71260-16-733 % similar 2-(Benzylsulfonyl)-1-(morpholin-4-yl)ethanone8049-47-633 % similar trans-1-Cinnamylpiperazine87179-40-633 % similar 1-Benzyl 2-methyl piperazine-1,2-dicarboxylate126937-43-733 % similar 3-Methyl 1-(phenylmethyl) 1,3-piperazinedicarboxylate129799-11-733 % similar 1-Piperidinyl(4,5,6,7-tetrahydro-1H-pyrazolo-[4,3-C]pyridin-3-yl)methanone hydrochloride1220039-26-833 % similar tert-Butyl 3-phenylpiperazine-1-carboxylate502649-25-433 % similar trans-1-Benzoyl-4-phenyl-L-proline120851-71-033 % similar Benzyl 3-oxopyrrolidine-1-carboxylate130312-02-633 % similar 1-Cbz-4-methylene-piperidine138163-12-933 % similar 1-(Quinoxalin-6-ylcarbonyl)piperidine154235-83-333 % similar p-Fluorophenyl 4-piperidyl ketone hydrochloride25519-78-233 % similar 4-(4-Chlorobenzoyl)piperidine hydrochloride55695-51-733 % similar (S)-(+)-N-(2,3-Epoxypropyl)phthalimide161596-47-033 % similar 3-Benzyl-3,9-diaza-spiro[5.5]undecane189333-49-133 % similar N-4-Piperidylbenzamide33953-37-633 % similar 1-(2-Methoxyphenyl)piperazine35386-24-433 % similar 4-Phenyl-4-piperidinecarboxylic acid3627-45-033 % similar 4-Cyano-4-phenylpiperidine hydrochloride51304-58-633 % similar