英文别名methyl 3-phenyl-2-(pyrazine-2-carbonylamino)propanoate; Bortezomib Acid Methyl Ester; Bortezomib Impurity R; (S)-methyl 3-phenyl-2-(pyrazine-2-carboxamido)propanoate; Bortezomib Imp.F; N-PYRAZINYLCARBONYLPHENYLALANINE METHYL ESTER; 3-Phenyl-2-[(pyrazine-2-carbonyl)-amino]-propionic Acid Methyl Ester; N-(2-Pyrazinylcarbonyl)-L-phenylalanine Methyl Ester 
