英文别名Butanoic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-4,4-difluoro-, (2S)-; (2S)-2-{[(tert-butoxy)carbonyl]amino}-4,4-difluorobutanoic acid; Boc-(S)-2-amino-4,4-difluorobutanoic acid; Boc-L-3-difluoromethylAla-OH; (S)-2-(Boc-amino)-4,4-difluorobutanoic Acid; (S)-2-((tert-Butoxycarbonyl)amino)-4,4-difluorobutanoic acid; (2S)-4,4-difluoro-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoic acid 
