季胺 [－－]

Jyutping gwai3 on1
Pinyin jì ān

Definitions (Wiktionary)
  1. noun
    quaternary ammonium

季胺 [－－]

Jyutping gwai3 on1
Pinyin jì àn

Definitions (Wiktionary)
  1. noun
    quaternary ammonium