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A	B	C	D	E	F
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4-Chloro-n-methylphthalazin-1-amine

4-Chloro-n-ethylphthalazin-1-amine

4-Chloro-n-isopropylphthalazin-1-amine

4-Chloro-n-cyclopropylphthalazin-1-amine

5-Fluoro-n-methylpyrimidin-4-amine

N-ethyl-5-fluoropyrimidin-4-amine

5-Fluoro-n-isopropylpyrimidin-4-amine

N-cyclopropyl-5-fluoropyrimidin-4-amine

5-Fluoro-4-(methylthio)pyrimidine

5-Fluoro-4-(methylsulfonyl)pyrimidine

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