fluorescein 5-isothiocyanate, 5-Isothionatofluorescein, Fluorescein isothiocyanate,isomer 1, FITC Fluorescein 5-isothiocyanate; Fluorescein Isothiocyanate (isomer I); fluorescein isothiocyanate isomer 1; Fluorescein isothiocyanate isomer I; Fluorescein Isothiosyanate; FITC ISOMER; Fluorescein 5-Isothiocyanate (isomer I); 5-FITC (isomer I); 5-Isothiocyanatofluorescein (isomer I); 5-Fluorescein isothiocyanate; FITC-I; FITC; Fluorescein-5-isothiocyanate; Fluorescein 5-isothiocyanate; to; FITC,Fluorescein 5-isothiocyanate;