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Asid jòn 23

Souvan li te ye Tartmzine.(a) 4-Aminobenzenesulfonic asid diazo, ak 5-Oxo-1-(4-sulfophenyl) -4,5-dihydro-1H-pyrazole-3-carboxylic asid makonnen;(b) 2 Moore 4-Aminobenzenesulfonic asid ak diyoksid 5 reyaksyon dyasid

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