1,2-NAPHTHALENEDIOL, 6-METHYLAMINO-, HYDROCHLORIDE 2-Methylamino-5,6-naphthalenediol hydrochloride 2-Naphthylamine, 5,6-dihydroxy-N-methyl-, hydrochloride 21489-78-1 5,6-Dihydroxy-N-methyl-2-naphthylamine hydrochloride 5,6-Dihydroxy-N-methyl-beta-naphthylamine hydrochloride 6-Methylamino-1,2-naphthalenediol hydrochloride beta-Naphthylamine, 5,6-dihydroxy-N-methyl-, hydrochloride