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62147-42-6 benzenesulfonic acid,3-[[1-[4-(ethenylsulfonyl)phenyl]-4,5-dihydro-3-methyl-5-oxo-1h-pyra

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Product Name Benzenesulfonic acid,3-[[1-[4-(ethenylsulfonyl)phenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-4-hydroxy-
CAS No. 62147-42-6
Molecular Formula C18H16N4O7S2