2',7'-Dichlorofluorescein diacetate 2',7'-Dichlorofluorescin diacetate 2044-85-1 3',6'-Bis(acetyloxy)-2',7'-dichlorospiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one DCFDA Dcfh-DA Diacetyldichlorofluorescein Leuco-dcf diacetate Leukodiacetyl-2,7-dichlorofluorescein Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-bis(acetyloxy)-2',7'-dichloro-