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C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
C07C309/01—Sulfonic acids
C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
C07C309/57—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing carboxyl groups bound to the carbon skeleton
C07C309/59—Nitrogen analogues of carboxyl groups
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
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AT00156/71A1967-03-311968-03-20Verfahren zur herstellung von neuen 2-alkoxy-5-chlorsulfonylnitrobenzolen
AT294043B
(de)