吡啶 [－－]

Jyutping bei2 ding6
Pinyin bì dìng

Definitions (Wiktionary)

noun
pyridine

吡啶 [－－]

Jyutping bei2 ding6
Pinyin bǐ dìng

Definitions (CC-CEDICT)

pyridine C5H5N (loanword)

Definitions (Kaifangcidian)

（沒有對應漢語詞彙）