3-(R)-Boc-amino-4-(2,4,5-trifluoro-phenyl)butyric acid methyl ester

西他列汀-int A8

ethyl (R)-3-tert-butoxycarbonylamino-4-(2,4,5-trifluoro-phenyl)-butyrate

(R)-benzyl 3-(tert-butoxycarbonylamino)-4-(2,4,5-trifluorophenyl)butyrate

(R)-tert-butyl (1-cyano-3-(2,4,5-trifluorophenyl)propan-2-yl)carbamate