title: A simple method of preparing D-(minus)-arginine monohydrochloride from DL-arginine.
mesh_terms: D001120:Arginine / Q000031:analogs & derivatives / Q000302:isolation & purification; D055598:Chemical Phenomena; D011232:Chemical Precipitation; D002621:Chemistry; D002852:Chromatography, Ion Exchange; D003460:Crystallization; D008293:Malates; D009904:Optical Rotation; D013237:Stereoisomerism
chemical_list: D008293:Malates; D001120:Arginine