Phenylephrine Standard

(-)-Phenylephrine; (R)-(-)-Phenylephrine; (R)-Phenylephrine; (1R)-1-(3-Hydroxyphenyl)-2-(methylamino)ethanol; Benzenemethanol, 3-hydroxy-a-[(methylamino)methyl]-, (R)-; (R)-3-[1-Hydroxy-2-(methylamino)ethyl]phenol; 3-[(1R)-1-Hydroxy-2-(methylamino)ethyl]phenol; Phenylephrine (USP);