1-Cyclopropylpiperazine20327-23-5100 % similar 1-Cyclopropylpiperazine dihydrochloride139256-79-483 % similar 1-Cyclopentylpiperazine21043-40-378 % similar 1-Cyclohexylpiperazine17766-28-874 % similar 1-Cycloheptylpiperazine21043-42-574 % similar 1-Cyclooctylpiperazine21043-43-674 % similar 4-(1-Pyrrolidinyl)piperidine5004-07-965 % similar 1-(1-Methyl-4-piperidinyl)piperazine23995-88-264 % similar 1,4′-Bipiperidine4897-50-162 % similar 1-(Oxetan-3-yl)piperazine1254115-23-557 % similar 4-(Piperidin-4-yl)morpholine53617-35-957 % similar 1,4′-Bipiperidine, hydrochloride (1:2)4876-60-254 % similar 1-Methyl-4-(piperidin-4-yl)piperazine53617-36-054 % similar Isopropylpiperazine4318-42-752 % similar (6S)-1,4-Diazabicyclo(4.3.0)nonane93643-24-452 % similar 1-Methyl-4-(piperazin-1-yl)piperazine hydrochloride436099-90-048 % similar 1-(Butan-2-yl)piperazine34581-21-044 % similar 4-(3-Methyl-piperidin-1-yl)-piperidine551923-14-943 % similar 1-Cyclopropylpiperidin-4-one62813-01-842 % similar 4-(Pyrrolidin-3-yl)morpholine53617-37-141 % similar