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Publication of CH305622ApublicationCriticalpatent/CH305622A/de
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
C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
C07C309/51—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton at least one of the nitrogen atoms being part of any of the groups, X being a hetero atom, Y being any atom
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CH305622D1950-04-291950-04-29Verfahren zur Herstellung eines Kondensationsproduktes.
CH305622A
(de)