1169-63-7 189245-39-4 3326-34-9 5-Amino-2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid 5-Aminofluorescein EINECS 222-043-6 Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 5-amino-3',6'-dihydroxy-