1-naphthalenecarboxaldehyde, 2-bromo-3,4-dihydro- 2-bromo-3,4-dihydronaphthalene-1-carbaldehyde InChI=1/C11H9BrO/c12-11-6-5-8-3-1-2-4-9(8)10(11)7-13/h1-4,7H,5-6H