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2h-pyran-5-carboxylic
62558-91-2
718283
2H-Pyran-5-carboxylic acid,3-cyano-3,4-dihydro-2-imino-6-methyl-4-phenyl-, ethyl ester
56039-24-8
2413479
6-ethyl-2,4-dioxo-3-propionyl-3,4-dihydro-2H-pyran-5-carboxylic acid
