啶

吖丁啶

ā dīng dìng

azetidine (chemistry) (loanword)

吖啶

ā dìng

acridine (antiseptic and disinfectant)

吡啶

bǐ dìng

pyridine C5H5N (loanword)

哌啶

pài dìng

piperidine (chemistry) (loanword)

哌替啶

pài tì dìng

pethidine (aka meperidine or Demerol) (loanword)

嘧啶

mì dìng

pyrimidine C4H4N2

尿嘧啶

niào mì dìng

uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA)

氨吖啶

ān ā dìng

aminoacridine or aminacrine (antiseptic and disinfectant)

胞嘧啶

bāo mì dìng

cytosine nucleotide (C, pairs with guanine G 鳥嘌呤|鸟嘌呤 in DNA and RNA)

胸腺嘧啶

xiōng xiàn mì dìng

thymine nucleotide (T, pairs with adenine A 腺嘌呤 in DNA)