[----]

Jyutping on1 gei1 gaap3 syun1 on1
Pinyin ān jī jiǎ suān ān

Definitions (Wiktionary)
  1. noun
    ammonium carbamate

[----]

Jyutping on1 gei1 gaap3 syun1 on1
Pinyin ān jī jiǎ suān ǎn

Definitions (Wiktionary)
  1. noun
    ammonium carbamate