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144571-83-5 pyridinium,4-methyl-1-[2-oxo-2-(3-oxo-3h-naphtho[2,1-b]pyran-2-yl)ethyl]-,bromide

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Product Name Pyridinium,4-methyl-1-[2-oxo-2-(3-oxo-3H-naphtho[2,1-b]pyran-2-yl)ethyl]-,bromide
CAS No. 144571-83-5
Molecular Formula C21H16NO3・Br