1-Ethyl-3-pyrrolidinol30727-14-130 % similar 1-Hexylpiperazine51619-55-730 % similar 1-Octylpiperazine54256-45-030 % similar 1-Decylpiperazine63207-03-430 % similar 1-Heptylpiperazine82502-77-030 % similar