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8-Chloro-4-[(4Z)-6,8-dichloro-3-methyl-4-[(4-methylphenyl)sulfonylhydrazinylidene]chromen-2-yl]-2-hydroxy-2-oxo-2lambda6-thia-3,5-diazabicyclo[4.4.0]deca-1(10),2,4,6,8-pentaene-9-sulfonamide


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