1-Naphthalenol, 4-amino-2-methyl-, hydrochloride 1-Naphthol, 4-amino-2-methyl- 1-Naphthol, 4-amino-2-methyl-, hydrochloride 130-24-5 2-Methyl-4-amino-1-naphthol 2-Methyl-4-amino-1-naphthol hydrochloride 4-Amino-2-methyl-1-naphthol 4-Amino-2-methylnaphthol hydrochloride NSC41793 Synkamin hydrochloride Vitamin K5