NAPHTHOL AS-BI-PHOSPHATE DISODIUM SALT HEPTAHYDRATE;NAPHTHOL AS-BI-PHOSPHATE, DISODIUM SALT HYDRATE;2-Naphthalenecarboxamide, 7-bromo-N-(2-methoxyphenyl)-3-(phosphonooxy)-, disodium salt hydrate;Naphthol AS-BI phosphate disodium salt hydrate >=98.5% (HPLC)