(S)-3-((S)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid;(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic Acid; Pidotimod Impurity E;4S-Pidotimod
(S)-3-((S)-5-oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic acid;(S)-3-((S)-5-Oxopyrrolidine-2-carbonyl)thiazolidine-4-carboxylic Acid; Pidotimod Impurity E;4S-Pidotimod