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3-Phenylpyrazin-2-amine: BD26366241270-67-195%; ￥1985.01g

5-Bromo-3-phenylpyrazin-2-amine: BD245756344940-70-195%; ￥1298.01g

5-Ethynyl-3-phenylpyrazin-2-amine: BD008054252227272-78-695%; ￥4776.01g

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