4-(3-AMINOPROPYL)-2-PYRAZOLIN-5-ONE

4-(3-AMINOPROPYL)-2,4-DIHYDRO-3H-PYRAZOL-3-ONE

4-(3-Aminoprop-1-yl)-2,4-dihydro-3H-pyrazol-3-one

4-(3-Aminoprop-1-yl)-4,5-dihydro-5-oxo-1H-pyrazole