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CAS NO:153004-50-3
CAS:
153004-50-3
英文名称:
3,4-dihydro-4-(1,4-dihydro-4-oxo-5-pyrimidinyl)-2h-1-benzopyran-2-carboy lic
3,4-dihydro-4-(1,4-dihydro-4-oxo-5-pyrimidinyl)-2h-1-benzopyran-2-carboylic aci