3-(Methylamino)piperidine dihydrochloride127294-77-331 % similar Methyl isonipecotate2971-79-131 % similar N-Methylpiperidin-4-amine dihydrochloride1220039-56-430 % similar (3S)-(-)-3-(Dimethylamino)pyrrolidine132883-44-430 % similar (3R)-(+)-3-(Dimethylamino)pyrrolidine132958-72-630 % similar 2-Ethylpiperazine13961-37-030 % similar 3-(Dimethylamino)pyrrolidine69478-75-730 % similar 3-(N-tert-Butoxycarbonyl-N-methylamino)pyrrolidine172478-00-130 % similar