The drug markedly slowed the heart rate and antagonized the positive chronotropic effect of isoprenaline.

冠益嗪明显减慢大鼠心率，拮抗异丙肾上腺素的正性变时作用。

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The drug markedly slowed the heart rate and antagonized the positive chronotropic effect of isoprenaline.

冠益嗪明显减慢大鼠心率，拮抗异丙肾上腺素的正性变时作用。

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