EDTA-4NA is a kind of chelating agent.
Potassium peroxymonosulfate can be used for Disinfection of animal,swimming pool.
Succinic acid with infustrial grade, food grade, pharm grade.
Bismuth Subsalicylate with good quality.
Carbazole is used for dyes and pigment.
Fluorene is used for pharm,pesticide and dyes.