1-(2-Ethoxyethyl)piperazine13484-38-3100 % similar 1-[2-(2-Hydroxyethoxy)ethyl]piperazine13349-82-155 % similar 1-[2(2-Hydroxyethoxy)ethyl]piperazine dihydrochloride85293-16-950 % similar 1-Ethylpiperazine5308-25-846 % similar 1-Propylpiperazine dihydrobromide64262-23-345 % similar 1-(Ethoxycarbonylmethyl)piperazine40004-08-844 % similar Ethylene glycol diethyl ether629-14-143 % similar Dimorpholinodiethyl ether6425-39-443 % similar 1-[2-(Dimethylamino)ethyl]piperazine3644-18-643 % similar 1-[2-(1-Pyrrolidinyl)ethyl]piperazine22763-69-542 % similar Diethylene glycol diethyl ether112-36-742 % similar 2.2.2-Cryptand23978-09-842 % similar Ethylmorpholine100-74-341 % similar 4-(1-Piperazinylacetyl)morpholine39890-46-540 % similar N,N-Dimethyl-1-piperazinepropanamine877-96-340 % similar 1-Piperazineethanol103-76-439 % similar Aminoethylpiperazine140-31-839 % similar Ethyl propyl ether628-32-038 % similar Ethyl 1-piperazinecarboxylate120-43-438 % similar N-(2-Dimethylaminoethyl)morpholine4385-05-138 % similar