An aldehyde is an organic compound containing a formyl group.
醛是一种含有甲酰组的有机化合物。
2
Objective: To synthesize desloratadine and its N-formyl derivative.
前言：目的：合成地洛他定和n甲酰基地洛他定原料。
3
In the two sides of nitrogen bridge, the degree of conjugation of one double bond with one formyl polyenic group is about equal to two aromatic cycles.