1-Formylhomopiperazine29053-62-131 % similar 1-(Cyclohexylmethyl)piperazine57184-23-331 % similar 1-Cyclopentylpiperazine21043-40-331 % similar 1-Piperazinecarboxaldehyde7755-92-231 % similar Piperidine110-89-430 % similar Azepane111-49-930 % similar Azocane1121-92-230 % similar 1,4′-Bipiperidine, hydrochloride (1:2)4876-60-230 % similar 1-Methylhomopiperazine4318-37-030 % similar 4-(1-Pyrrolidinyl)piperidine5004-07-930 % similar