1-(3-Hydroxy-4-methylphenyl)-2-amino-1-propanol hydrochloride 35838-57-4 63991-31-1 BENZYL ALCOHOL, alpha-(1-AMINOETHYL)-3-HYDROXY-4-METHYL-, HYDROCHLORIDE alpha-(1-Aminoethyl)-3-hydroxy-4-methylbenzyl alcohol hydrochloride p-Methyl-m-hydroxy-phenyl-propanolamine hydrochloride