n-methyliacid

kyselinan-methyl-i

kyselina2-methylamino-5-naftol-7-sulfonova

4-hydroxy-7-methylamino-2-Naphthanlenesulfonicacid

4-hydroxy-7-(methylamino)-2-naphthalenesulfonicaci

4-hydroxy-7-N-methylamino-2-N-Aphthalenesulfonicacid