Product Name : Benzylpenicillin Benzathine - Impurity K | Chemical Name : (2R,2'R,4S,4'S)-2,2'-[(4R,11R)-6,9-Dibenzyl-2,5,10,13-tetraoxo-1,14-diphenyl-3,6,9,12-tetraazatetradecane-4,11-diyl]bis(5,5-dimethyl-1,3-thiazolidine-4-carboxylic Acid) | Pharmaffiliates