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a-D-Galactopyranose,1,2:3,4-bis-O-(1-methylethylidene)-, 4-nitrobenzoate (9CI)
CAS:20581-75-3
Formula:C19H23NO9

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2,3,4,5-Pyrrolidinetetracarboxylicacid, 1-(p-methoxyphenyl)-, tetramethyl ester (7CI,8CI)
CAS:10019-27-9
Formula:C19H23NO9

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Benzoic acid, 4-[bis(carboxymethyl)amino]-,
1-[2-[2-[(2-methyl-1-oxo-2-propenyl)oxy]ethoxy]ethyl] ester
CAS:823814-93-3
Formula:C19H23NO9

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1,2-Benzenedicarboxylic acid,
5-[2-(acetylamino)-3-methoxy-3-oxopropyl]-3-[(acetyloxy)methyl]-,
dimethyl ester
CAS:290367-46-3
Formula:C19H23NO9

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Tyrosine, 3-[bis(acetyloxy)methyl]-N-formyl-a-methyl-, methyl ester,
acetate (ester)
CAS:64991-91-9
Formula:C19H23NO9

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1H-Pyrrolo[1,2-a]indole-5,8-dione,
1,2-bis(acetyloxy)-2,3,9,9a-tetrahydro-9-(hydroxymethyl)-3,7-dimethoxy-
6-methyl-
CAS:111602-58-5
Formula:C19H23NO9