| 英文名称: | | 1'-biphenyl)-4-butanoic acid, 2',4'-difluoro-gamma-oxo-( | | 2',4'-difluoro-gamma-oxo-(1,1'-biphenyl)-4-butanoic acid | | lactonol of (z)-4-(2',4'-difluorobiphenyl-4-yl)-3-methyl-4-oxobut-2-enoic aci | | 1'-biphenyl)-4-butanoic acid,2',4'-difluoro-gamma-oxo-( |
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