4-{4-[4-(二甲基氨)苯]丁-1,3-二烯-1-基}-1-乙基吡啶?f高氯酸鹽 4-{4-[4-(Dimethylamino)phenyl]buta-1,3-dien-1-yl}-1-ethylpyridinium perchlorate

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