1-Hydroxy-2-methyl-4-aminonaphthalene 1-NAPHTHOL, 4-AMINO-2-METHYL- 1-Naphthalenol, 4-amino-2-methyl- 130-24-5 2-Methyl-4-amino-1-hydroxynaphthalene 2-Methyl-4-amino-1-naphthol 3-13-00-01920 (Beilstein Handbook Reference) 3-Methyl-4-hydroxy-1-naphthylamine 4-Amino-2-methyl-1-naphthalenol 4-Amino-2-methyl-1-naphthalenol, hydrochloride 4-Amino-2-methyl-1-naphthol 83-70-5 BRN 2719282 Kayvisyn Synkamin Synkamin base Vitamin k5