Carbohydrazide, 4-Hydroxy Tempo manufacturer / supplier in China, offering Potassium Tetrachloroplatinate (II) CAS 10025-99-7 Dipotassium Tetrachloroplatinate, 3-Acetylaminophthalic Anhydride CAS 6296-53-3 3-Acetamidophthalic Anhydride, 1-Fluoro-2- (trifluoromethyl) -Benzene CAS 392-85-8 2-Fluorobenzotrifluoride and so on.