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CAS NO:139266-56-1
CAS:
139266-56-1
英文名称:
3,5-dibromo-6-(4-methylphenyl)-4-oxo-4h-pyran-2-carboxylic aci methyl ester
methyl 3,5-dibromo-6-(4-methylphenyl)-4-oxo-4h-pyran-2-carboxylate