欧美日韩国产精品专业评测_中文有码人妻在线_久久大香伊蕉在人线_俄罗斯粉嫩18

fluoroethyl ester


Chemical Name: Ethyl 1-(2-fluoroethyl)-6.7.8-trifluoro-1.4-dihydro-4-oxoquinoline-3-carboxylate
Molecular Weight: 317.2
Melting Point: 180-183°C
Appearance: Off-white powdery solid
Uses: Fleroxacin (Long-acting quinolone antibiotics) intermediate




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