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         Cyanuric acid
         Sulfate, ammonium salt
         Zinc sulfate heptahydrate
         Trichloroisocyanuric acid
         Succinic anhydride
         1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester
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        Chemical Name:Succinic anhydride 
        Cas No.:108-30-8 
        Molecular Formula:C4H4O3 
        Molecular Weight:100.07 
        Molecular Structure: 
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