When installing the tag in the site HTML code, place the code as close to the top of the page as possible. For example, within the or tags. Other installation methods

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1-Naphthylamine;α- Naphthylamine

1-Naphthol;α- Naphthol

1-Naphthol-4-sulfonic acid;Nevileandwinther’sacid

Sodium 4-amino-1-naphthalenesulfonate; PARA-NAPHTHIONIC ACID


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