(S)-tert-butyl (4-chloro-3-oxo-1-phenylbutan-2-yl)carbamate OR (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone (Short name: 3S-chloroke, China (S)-tert-butyl (4-chloro-3-oxo-1-phenylbutan-2-yl)carbamate OR (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone (Short name: 3S-chloroke Selling, Selling China (S)-tert-butyl (4-chloro-3-oxo-1-phenylbutan-2-yl)carbamate OR (3S)-3-(tert-Butoxycarbonyl)amino-1-chloro-4-phenyl-2-butanone (Short name: 3S-chloroke, Hangzhou Panyu Chemical Co.,Ltd