"Pharmacologic Substance"^^ . "17162-39-9"^^ . "PHENYLEPHRINE BITARTRATEPTFDA27O3Q5ML57" . "FDA"^^ . . . "Phenylephrine_Bitartrate"^^ . . "Phenylephrine Bitartrate"^^ . "Phenylephrine Bitartrate"^^ . "C66378"^^ . "The bitartrate salt form of phenylephrine, a direct-acting sympathomimetic amine chemically related to adrenaline and ephedrine with potent vasoconstricting activity. Phenylephrine is a post-synaptic alpha-adrenergic receptor agonist that causes vasoconstriction, increases systolic/diastolic pressures, reflex bradycardia, and increases stroke output.NCI" . "Phenylephrine BitartratePTNCI" . "C9H13NO2.C4H6O6"^^ . "C0304428"^^ . "27O3Q5ML57"^^ . .