4104-43-2 Benzeneethanamine, N-methyl-, hydrochloride Methylphenethylamine hydrochloride N-Methyl-.beta.-phenylethylamine hydrochloride N-Methyl-.beta.-phenylethylamine-HCI N-Methylphenethylamine hydrochloride N-Methylphenethylamine, hydrochloride NSC15131 PHENYLETHYLAMINE, BETA,N-METHYL Phenethylamine, N-methyl-, hydrochloride Usaf el-29 WLN: 1M2R &GH