| 1. | Can it be resolved into optical isomers ?
这能离析为旋光异构体吗？ |
| 2. | Allene is an isomer of methyl acetylene .
丙二烯是甲基乙炔的一种异构体。 |
| 3. | how many different isomers of octane 销 are there?
辛烷有多少种同分异构体？ |
| 4. | Such molecules are known as enantiomorphs or optical isomers .
这种分子被称为对映结构体或旋光异物体。 |
| 5. | They are said to be conformational isomers also called conformers .
它们叫做构象异构体，也叫做异象体。 |
| 6. | Evidently, living things can somehow distinguish between optical isomers .
显然，生物体对这两种同分异构体能够有所识别。 |
| 7. | Isomers are defined as compounds having the same formula but different structures .
异构体被定义为化学式相同而结构不同的化合物。 |
| 8. | Substances which have identical molecular formulas but different structural formulas, are known as isomers .
凡具相同分子式但不同结构式的物质称为异构体。 |
| 9. | The term "normal" applies to the isomer that has all its carbon atoms linked in a straight chain .
对这类异构体采用“正构”一词是因为这类异构体的全部炭原子都以直链形式连在一起。 |
| 10. | The amino cyclohexylcarbinols(9) derived from the fused isxoazolidine(8) were a mixture of cis and trans isomers .
从稠合的四氢异唑（8）所得到的氨基环已基甲醇（9）则是顺式和反式异构体的混合物。 |
