3-bromo-2-phenyl-4H-chromene

acetic acid,3,3-dibromo-2-phenyl-4H-chromen-2-ol

3,3-dibromo-2-phenyl-2,4-dihydrochromene

2-ethoxy-2-phenyl-3,4-dihydrochromene

3,4-二氢-2-苯基-2H-1-苯并吡喃