Preparation method of norphenylin_Kain Industrial Additives

background and overview[1-2] norfenefrine hydrochloride, also known as norfenefrine hydrochloride, scientific name m-hydroxyphenylethanolamine hydrochloride, english name norfenefrinehydrochloride, is an adrenomimetic drug that can excite nerves similar to epinephrine. drug. adrenergic receptors are divided into two types: alpha-receptors and beta-receptors. α-receptors mainly exist on effector cells of blood vessels such as glands, skin, mucous membranes and…