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The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活剂的合中间体N-（2，6-二甲苯基）-丙酸与l-薄荷醇在催化剂作用下，对映异构体的薄荷醇酯。

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原声例句
Boost Your Biology with Lucas Aoun

So what I did is I took I took one gram of L-tyrosine, 500 milligrams of D-L-phenylalanine just for precursor for the dopamine.

所用了1L-酪氨酸和500毫D-L-苯基丙氨酸，后者作胺的前体。

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chorioma, choriomeningitis, chorion, chorion-epithe-lioma, chorionic, chorionic villus, chorionic villus sampling, chorionin, chorionitis, chorioplacental,

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3G, 401(K), a,
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