6-Methoxy-2-naphthaleneboronic acid6-Methoxynaphthalene-2-boronic acid(6-methoxy-2-naphthyl)boronic acid6-Methoxynaphthalene-2-boronic acid6-甲氧基-2-萘硼酸6-Methoxy-2-naphthaleneboronic acid6-Methoxy-2-naphthalenylboronic acid6-Methoxy-2-naphthylboronic acid6-Methoxynaphthalene-2-boronic acid