Meta-Hydroxynorephedrine (also known as 3-(2-Amino-1-hydroxypropyl)phenol, 21480-44-4, m-Hydroxynorephedrine, (+)-Metaraminol, meta-Hydroxynorephedrine, (1r,2r)-1-(m-hydroxyphenyl)-2-amino-1-propanol, AAA06159, WAA48043, 3-(2-Amino-1-hydroxypropyl)phenol-, (-)- # or 1-.α.-(1-Aminoethyl)-m-hydroxybenzyl alcohol) is a sympathomimetic substance of the phenylethanolamine class.