[The ion-exchange method for the isolation of crystalline 6-aminopenicillic acid from penicillin enzymatic hydrolysis products].
D006868:Hydrolysis; D007474:Ion Exchange; D007475:Ion Exchange Resins; D010406:Penicillins / Q000737:chemistry*
D007475:Ion Exchange Resins; D010406:Penicillins
ION EXCHANGE RESINS; PENICILLIN/chemistry