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Chemical Name:9-Bromo-3-(2-bromoacetyl)-10,11-dihydro-5h-benzo[d]naphtho[2,3-b]pyran-8(9h)-one 
Cas No.:1438383-89-1 
Molecular Formula:C19H14Br2O3 
Molecular Weight:450.12 
Molecular Structure: 



 
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