And the latest development of the red phosphating, special no residue phosphating, no free of nitrites promoting agents including sulfuric acid amine phosphating applied for patent.

并对最新开发的红色磷化、专用无渣磷化、无含亚硝酸盐促进剂(含硫酸羟胺)磷化申请了专利。

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Screening for 2 - bromo-butyric acid as the starting material, after ammonolysis, esterification, ester amine solution, split, five-step cyclization reaction Levetiracetam.

筛选以2 -溴代丁酸为起始原料，经氨解，酯化，酯胺解，拆分，环合五步反应制得左乙拉西坦。

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Solid phase synthesing method of aldehyde, ketonic, oxime, amine and isohydroximic acid compound.

醛，酮，肟，胺和异羟肟酸化合物的固相合成方法。

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These are an amine group, an acid group (hence the name), a hydrogen atom, and a fourth chemical group that can be any one of 20 different clusters of atoms.

ECONOMIST: Folding stuff

Amino acids link together to form a protein when the amine group on one reacts with the acid group on the next.

ECONOMIST: Folding stuff