pyridine monocarboxylic acid
... pyridine hemochromogen 吡啶血色原... pyridine monocarboxylic acid 吡啶一羧酸... pyridine monosulfonic acid 吡啶一磺酸...
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本发明涉及一种稳定的、高纯度的7-苯乙酰氨基-3-吡啶甲基-3-头 孢菌素-4-羧酸对甲氧苄酯晶体及其制备方法。
The present invention relates to the stable and high purity 7-phenacetylamino-3-pyridylmethyl -3-cynnematin-4-p-methoxybenzyl carboxylic ester crystal and its preparation process.
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