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742103-20-4 2h-1-benzopyran-7-diazonium, 2-oxo-3-phenyl-, tetrafluoroborate(1-)

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Product Name 2H-1-Benzopyran-7-diazonium, 2-oxo-3-phenyl-, tetrafluoroborate(1-)
CAS No. 742103-20-4
Molecular Formula C15H9N2O2・BF4