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91921-20-9 1h-pyrazole-3-carboxylic acid,1-(3,5-disulfophenyl)-4,5-dihydro-4-[[4-(methylamino)phenyl

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Product Name 1H-Pyrazole-3-carboxylic acid,1-(3,5-disulfophenyl)-4,5-dihydro-4-[[4-(methylamino)phenyl]methylene]-5-oxo-, methyl ester, disodium salt
CAS No. 91921-20-9
Molecular Formula C19H17N3O9S2・2Na