Screening out three yeasts that can asymmetric reduce COBE to S-isomer. They are 103 alcohol yeast, 106 beer yeast, 123 flour yeast.
An isomer of butane.
Conclusion: There is no optical isomer in alliin samples. its configuration was found to be S-allyl-L-cysteine sulfoxide.
Mannitol and sorbitol is a pair of isomer, when mannitol was produced by chemical synthesis, it is ineluctability that there is some part of mannitol retained in the byproduct liquid of sorbitol.
It has chromatographic performance of high column efficiency, good inertia and thermal stability, very high selectivity on analyzing dimethylbenzene isomer.
The physical motivations with high spin isomer beams were introduced.
Allene is an isomer of methyl acetylene.
A molecular topological research on thegas chromatographic retention index of alcohol isomer
To meet the requirement of crystallization separation process for para-acetaminophenylacetate ethyl, molecular distillation was firstly used to separate the isomer.
There are many helixes of dihedral Angle, and the whole skeleton forms a large helix in the structure of the rotatory isomer.
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