cis configuration造句

In order to ensure the correct stereochemistry ( the phenyl group and the silyl ether must adopt a cis configuration ) in the phenyllithium affords the enolate.
If both high priority substituents are on the same side of the double bond, i . e . in the cis configuration, then the stereoisomer is assigned a " Z " or " Zusammen configuration ".
One theory is that the human lipase enzyme works only on the cis configuration and cannot metabolize a trans fat although this theory has been overturned by the recognition that trans fat is metabolized but competitively inhibits the metabolism of other fatty acids.
It's difficult to find cis configuration in a sentence. 用cis configuration造句挺难的