2-((Dichloroacetyl)amino)-3-hydroxy-3-(4-nitrophenyl)propyl (R-(R*,R*))-aminoacetate 2980-74-7 Chloramphenicol glycinate EINECS 221-038-6 Glycine, 2-((dichloroacetyl)amino)-3-hydroxy-3-(4-nitrophenyl)propyl ester, (R-(R*,R*))- Glycine, alpha-ester with 2,2-dichloro-N-(beta-hydroxy-alpha-(hydroxymethyl)-p-nitrophenethyl)acetamide, D-threo-(-)-