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CAS NO:52851-60-2
CAS:
52851-60-2
英文名称:
1,2-dihydro-1-ethyl-4-hydroxy-2-oxo-3-quinolinecarboxylic aci ethyl ester
1-ethyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid ethyl ester
