tert-butyl ((2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate OR (2R,3S)-3-(tert-Butoxycarbonylamino)-1-chloro-2-hydroxy-4-phenylbutane (Short n, China tert-butyl ((2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate OR (2R,3S)-3-(tert-Butoxycarbonylamino)-1-chloro-2-hydroxy-4-phenylbutane (Short n Selling, Selling China tert-butyl ((2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl)carbamate OR (2R,3S)-3-(tert-Butoxycarbonylamino)-1-chloro-2-hydroxy-4-phenylbutane (Short n, Hangzhou Panyu Chemical Co.,Ltd