5-Aminofluorescein 51649-83-3 AIDS-002276 AIDS002276 Fluorescein amine II Fluorescein amine isomer II Fluorescein, 6-amino- (7CI) Fluoresceinamine Isomer II Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6-amino-3',6'-dihydroxy-