Bortezomib is a modified dipeptidyl boronic acid. The material is provided as a mannitol boronic ester which, in reconstituted form, consists of the mannitol ester in equilibrium with its hydrolysis product, the monomeric boronic acid. The drug substance
High Transparent PVC Shrink Film is a kind of widely used in food industry, such as beverage, wine, electronic appliances, daily necessities, stationery and many other small products as well.
Product Introduction U-shaped tubular heat exchanger has only one tube plate and the two ends of the pipe are fixed on the same tube plate. The advantages of this heat exchanger are :the pipe bundle an expand and contract flexibly and will not produce the