(2S,4R)-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid cyanomethyl-amide hydrochloride 、
苯甲酸 、 以to give (2S,4R)-1-benzoyl-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid cyanomethyl-amide as an amorphous solid的产率得到(2S,4R)-1-benzoyl-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid cyanomethyl-amide