4',5'-Dichloro-3',6'-dihydroxy-2',7'-dimethoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carb
5-羧基-4',5'-二氯-2',7'-二甲氧基荧光素
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5-羧基-4',5'-二氯-2',7'-二甲氧基荧光素