从螺旋理论看，芳香轮烯和非芳香轮烯都是内消旋体和外消旋体的混合物，故都不呈现旋光性。
In the light of the helix theory, aromatic annulenes and non-aromatic annulcncs are all the mixture of the mesomer and raceme, so they haven't opticity activeity.
聚合物作为高效液相色谱的固定相，消旋体酮洛芬在固定相能分开，同时聚合物还能将酮洛芬和布洛芬的混合物分开。
Racemic ketoprofen was separated when the polymer was used as a stationary phase of high performance liquid chromatography. The mixture of ketoprofen and ibuprofen were also separated by this polymer.
聚合物作为高效液相色谱的固定相，消旋体酮洛芬在固定相能分开，同时聚合物还能将酮洛芬和布洛芬的混合物分开。
Racemic ketoprofen was separated when the polymer was used as a stationary phase of high performance liquid chromatography. The mixture of ketoprofen and ibuprofen were also separated by this polymer.
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