14842-41-2

(5aS,10aS) PidotimodImpurity S Pidotimod Impurity 6 Pidotimod impurities1194 (5aS,10aS)-Tetrahydrodipyrrolo[1,2-a:1 3-D-pyroglutaMyl-D-thiazolidine-4-carboxylic acid 3-D-pyroglutaMyl-L-thiazolidine-4-carboxylic acid 3-L-pyroglutaMyl-D-thiazolidine-4-carboxylic acid -Tetrahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-3,5,8,10(2H,5aH) (S,S)-1,7-diazatricyclo[7.3.0.07,11]dodecane-2,6,8,12-tetrone (5aS,10aS)-Tetrahydrodipyrrolo[1,2-a:1',2'-d]pyrazine-3,5,8,10(2H,5aH)-tetraone (R)-3-(((S)-5-oxopyrrolidine-2-carbonyl)-L-glutamyl)thiazolidine-4-carboxylic acid (5aS,10aS)-tetrahydro-3H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-3, 5,8,10(2H,5aH)-tetraone (5aS,10aS)-1H,5H-Dihydro-dipyrrolo[1,2-a:1',2'-d]pyrazine-3,5,8,10(2H,5aH,10aH)-tetrone 1H,5H-Dipyrrolo[1,2-a:1',2'-d]pyrazine-3,5,8,10(2H,5aH,10aH)-tetrone, dihydro-, (5aS,10aS)- (R)-3-((S)-4-carboxy-4-((S)-5-oxopyrrolidine-2-carboxamido)butanoyl)thiazolidine-4-carboxylic acid (S)-5-((R)-4-(ethoxycarbonyl)thiazolidin-3-yl)-5-oxo-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanoic acid (S)-5-((R)-4-(ethoxycarbonyl)thiazolidin-3-yl)-5-oxo-4-((S)-5-oxopyrrolidine-2-carboxamido)pentanoic acid (4R,4'R)-3,3'-((S)-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanedioyl)bis(thiazolidine-4-carboxylic acid) diethyl 3,3'-((S)-2-((S)-5-oxopyrrolidine-2-carboxamido)pentanedioyl)(4R,4'R)-bis(thiazolidine-4-carboxylate)