4,7,2',7'-四氯-6-羧基荧光素

2',4,7,7'-Tetrachloro-3',6'-dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9'(9H)-xanthene]-6-carboxylic acid · CAS 155911-14-1

4,7,2',7'-四氯-6-羧基荧光素