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|Description={{ar|Molecular structure of amphetamine. (Methamphetamine has the same structure, with the addition of a methyl gro …g a two-dimensional visual representation of the structure of the compound amphetamine, which has the composition C9H13N and a mass of 135.21.}} …(1,100 × 526 (12キロバイト)) - 2012年7月11日 (水) 09:32
