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(2014/01/07)
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(2007/10/02)6-methylpyrazin-2-amine
2-(6-chloropyrazin-2-yl)acetic acid
2-(6-chloro-pyrazin-2-yl)-malonic acid diethyl ester
2-chloro-6-methylpyrazine
2-amino-6-methylpyrazine-3-carboxylic acid