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2h-pyran-3-carboxylic
95976-90-2
777814
2H-Pyran-3-carboxylicacid,4-aminotetrahydro-6-methoxy-2-methyl-,methylester,[2R-
136840-23-8
2118033
2H-Pyran-3-carboxylic acid, 6-(1-methylethyl)-2-oxo-4-phenyl-, methylester