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m-Aminophenol
Metanilic Acid Sodium Salt
Metanilic Acid
Sodium 3-Nitrobenzenesulfonate
Sodium Sulfite
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亞硫酸鈉
Sodium Sulfite
Use: used in artificial fiber stabilizer, fabric bleaching agent, photographic developer, dyed and bleaching deoxidizer, spice and dye reducing agent, paper lignin removal agent, etc.