It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.

在胶表面上，羧基氧原子与形成化学，苯环是稍微倾斜地吸附在胶面上，分则平躺吸附于胶表面。