bāo mì dìng
cytosine nucleotide (C, pairs with guanine G 鳥嘌呤|鸟嘌呤 in DNA and RNA)
xiōng xiàn mì dìng
thymine nucleotide (T, pairs with adenine A 腺嘌呤 in DNA)
niào mì dìng
uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA)
ā dìng
acridine (antiseptic and disinfectant)
pài tì dìng
pethidine (aka meperidine or Demerol)
ān ā dìng
aminoacridine or aminacrine (antiseptic and disinfectant)