 
- 
                        3,5-Pyridinedicarboxylic acid,
1,4-dihydro-2-(hydroxymethyl)-6-methyl-4-(3-nitrophenyl)-,
5-(2-ethoxyethyl) 3-ethyl esterCAS:62760-79-6Formula:C21H26N2O8 
                     
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                        Glycine, N,N'-1,3-propanediylbis[N-[(2,4-dihydroxyphenyl)methyl]-CAS:63651-97-8Formula:C21H26N2O8 
                     
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                        Toluene-2,4-dicarbamic acid, bis(2-hydroxypropyl acrylate) esterCAS:827602-89-1Formula:C21H26N2O8 
                     
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                        BOC-D-GLU(OBZL)-OSUCAS:18800-76-5Formula:C21H26N2O8 
                     
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                        L-Glutamic acid, N-(2-benzoyl-3-ethoxy-3-oxo-1-propenyl)glycyl-,
21-ethyl esterCAS:188783-03-1Formula:C21H26N2O8 
                     
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                        1H-Pyrrole-3-propanoic acid,
2,2'-methylenebis[5-(methoxycarbonyl)-4-methyl-CAS:193413-33-1Formula:C21H26N2O8 
                     
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                        diethyl 4-(4,5-dimethoxy-2-nitrophenyl)-1,4-dihydro-2,6-dimethylpyridine-3,5-dicarboxylateCAS:21203-88-3Formula:C21H26N2O8 
                     
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                        Benzoic acid,
4-[2,2-bis[(acetyloxy)methyl]-5-oxo-1-pyrrolidinyl]-3-[(1-oxopropyl)amino
]-, methyl esterCAS:221382-21-4Formula:C21H26N2O8 
                     
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                        Propanedioic acid,
(acetylamino)[4-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-3-hydroxybutyl]
-, diethyl esterCAS:64442-12-2Formula:C21H26N2O8 
                     
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                        3,5-Pyridinedicarboxylic acid,
1,4-dihydro-2-(hydroxymethyl)-6-methyl-4-(3-nitrophenyl)-,
5-(2-methoxyethyl) 3-(1-methylethyl) esterCAS:663163-06-2Formula:C21H26N2O8