乙胺嘧啶 [－－－－]

Jyutping jyut3 on1 mat6 ding6
Pinyin yǐ ān mì dìng

乙胺嘧啶 [－－－－]

Jyutping jyut3 on1 mat6 ding6
Pinyin yǐ àn mì dìng