| 英文名称: | | 2h-1-benzopyran-2-carboylic acid, 3,4-dihydro-4-(1,4-dihydro-4-oxo-5-pyrimidiny | | ethyl 4-(1,4-dihydro-4-oxo-5-pyrimidinyl)-3,4-dihydro-2h-1-benzopyran-2-carbo | | 3,4-dihydro-4-(1,4-dihydro-4-oxo-5-pyrimidinyl)-2h-1-benzopyran-2-carboylic aci ethyl ester |
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