6152-25-6 Acetic acid, oxo[(1-phenylethyl)amino]-, hydrazide, (-)- Acetic acid, oxo[(1-phenylethyl)amino]-, hydrazide, (S)- NSC100178 Semioxamazide, 5-(.alpha.-methylbenzyl)-, (-)- l-5-(.alpha.-Phenylethyl)semioxamazide