Supply bortezomib impurities

Bortezomib impurities Chinese name: bortezomib impurity A English Name: Bortezomib impurity A Pyrazine-2-carboxylic acid (1-carbamoyl-2-PHe-nyl-ethyl)-amide Specifications: 10mg/25mg/50mg/100mg purposes: for experimental use Chinese name: bortezomib impurity B English name: Bortezomib impurity B (S)-3-PHenyl-2-[(pyrazine-2-carbonyl)-amino] - propionic acid Specifications: 10mg/25mg/50mg/100mg Uses: for experimental use Chinese name: bortezomib impurity C English name: Bortezomib impurity C 1 - [[(2S)-1-oxo-3-PHenyl-2-[(pyrazinylcarbonyl) amino] propyl] amino] pentylboronic acid Specifications : 10mg/25mg/50mg/100mg purposes: for experimental use Chinese name: bortezomib impurity D English name: Bortezomib impurity D [(1R)-3-methyl-1-({(2R)-3-phenyl-2- [(pyrazin-2-ylcarbonyl) amino] propanoyl} amino) butyl] boronic acid Specifications: 10mg/25mg/50mg/100mg purposes: for experimental use Chinese name: bortezomib impurity E English name: Bortezomib impurity E Pyrazine-2- carboxylic acid [1 - (1-hydroxy-3-met-hyl-butylcarbamoyl)-2-phenyl-ethyl]-amide Specifications: 10mg/25mg/50mg/100mg purposes: for experimental use Chinese name: English bortezomib impurity F Name: Bortezomib impurity F Pyrazine-2-carboxylic acid [1 - (3-methyl-butyl-carbamoyl)-2-phenyl-ethyl]-amide Size: 10mg/25mg/50mg/100mg purposes: for experiments 13580490582 Wang Ying QQ: 1242 692827