获得了抗双草醚钠的两个株系，其中乙酰乳酸合酶发生了一个新的突变，第95位的甘氨酸突变成了丙氨酸（G95A）。

Two lines of BS-resistant plants carrying a novel mutation, the 95th Glycine to Alanine (G95A), in ALS were obtained.

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可分解为甘氨酸和乙酰辅酶a。

It is broken down to form glycine and acetyl CoA.

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结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。

Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .

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结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。

Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .

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