等外

In this reaction,besides substitution products thiophenol etc,the reduction product benzene is formed.

反应中，除生成笨硫酚等取代，还生成还原苯。

The mature embryo is corn posed of radicle, coleorhiza, plumule, coleoptile, scutellum and epiblast.That is the typical structure of the mature embryo of grass.

成熟具有根、芽、盾片、芽鞘、根鞘、叶等典型禾本科植成熟的结构。