2-Naphthalenecarboxamide, N-(2-aminoethyl)-3-hydroxy-, hydrochloride 21528-11-0 EINECS 244-419-9 N-(2-Aminoethyl)-3-hydroxy-2-naphthamide hydrochloride N-(2-Aminoethyl)-3-hydroxynaphthalene-2-carboxamide hydrochloride