75639-30-4 EINECS 278-282-1 L-Cysteine, N-acetyl-, ester with glycine 2-((dichloroacetyl)amino)-3-hydroxy-3-(4-(methylsulfonyl)phenyl)propyl ester, (R-(R*,R*))- N-Acetyl-L-cysteine, ester with (R-(R*,R*))-2-(dichloroacetamido)-3-hydroxy-3-(p-mesylphenyl)propyl glycinate Thiamphenicol glycinate acetylcysteinate