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1-(4-Methoxybenzoyl)-piperazine94747-49-636 % similar 1-((Pyrrolidine-1-carbonyl)methyl)piperazine39890-45-435 % similar (Piperazin-1-yl)(tetrahydrofuran-2-yl)methanone63074-07-735 % similar 1-Methylpiperazine dihydrochloride34352-59-534 % similar DMPU7226-23-534 % similar Benzoylpiperazine hydrochloride56227-55-534 % similar 1-Boc-piperazine acetate143238-38-433 % similar 1-[2-(Dimethylamino)ethyl]piperazine3644-18-633 % similar 2-(Piperazin-1-yl)-acetic acid H2O37478-58-333 % similar 1-(2-Furoyl)piperazine40172-95-033 % similar 1-Methylhomopiperazine4318-37-033 % similar Piperazine-1-sulfonic acid dimethylamide98961-97-833 % similar 1-(2-Chloro-benzoyl)-piperazine13754-45-533 % similar Benzyl piperazine-1-carboxylate31166-44-633 % similar 4-(1-Piperazinylacetyl)morpholine39890-46-532 % similar Ethyl piperazine-1-acetate40004-08-832 % similar 3-Piperazin-1-yl-propionic acid27245-31-432 % similar N,N,N′,N′-Tetraethylurea1187-03-732 % similar Piperidin-4-yl(pyrrolidin-1-yl)methanone35090-95-031 % similar 1-Methanesulfonyl-piperazine55276-43-231 % similar