苯那辛 Traditional form: 苯那辛 Pinyin (reading): běnnàxīn Definitions: benactyzine Characters: 苯 - benzene, benzol 那 - that, that one, those 辛 - bitter; toilsome, laborious; 8th heavenly stem Traditional characters: 苯 - benzene, benzol 那 - that, that one, those 辛 - bitter; toilsome, laborious; 8th heavenly stem