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A	B	C	D	E	F
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2-Amino-4-fluorobenzoic acid

2-Amino-3-fluorobenzoic acid

3-Amino-4-fluorobenzoic acid

5-Amino-2-fluorobenzioc acid

2-Amino-2’-fluoroacetophenone

2-Amino-4’-fluoroacetophenone

6-Aminofluorescein

5(6)-Aminofluorescein

5-Aminofluorescein

2-Aminofluorene