.beta.-Phenylethylhydrazine hydrochloride 5470-36-0 Hydrazine, (2-phenylethyl)-, monohydrochloride Hydrazine, phenethyl-, hydrochloride Hydrazine, phenethyl-, monohydrochloride NSC26224 Nardil Phenelzine Phenylethyl hydrazine-HCl