到目前为止，舒马曲坦，那拉曲普坦，兹米曲普坦，齐扎曲普坦，阿莫曲坦，依曲曲普坦和夫罗曲普坦已经出现在市场上。

So far, sumatriptan, nalatriptan, zlmitriptan, zizatriptan, almotritan, eletriptan and frovatriptan have appeared on the market.

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罗莎莉·戴维和美国宾夕法尼亚州维拉·诺瓦大学的迈克尔·齐默尔曼说：“这可能与现代社会致癌物十分普遍有关。”

"This might be related to the prevalence of carcinogens in modern societies," write Rosalie David and Michael Zimmermann of Villanova University, Pennsylvania.

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