尿嘧啶

尿嘧啶	niào mì dìng	uracil nucleotide (U, pairs with adenine A 腺嘌呤 in RNA)
尿	niào	to urinate / urine / CL:泡
尿	suī	(coll.) urine
嘧	mì	(phonetic) as in pyrimidine
嘧啶	mì dìng	pyrimidine C4H4N2
啶	dìng	idine (chemistry)