uracil,4-chloro nitrobenzene
uracil in duplex dna is a substrate for the nucleotide incision
fig. raman spectra of uracil 图选项
自然》( nature)发表了名为"structure and mechanism of the uracil
6-氯尿嘧啶 6-chlorouracil
results of acetone, pyridine, uracil and dmhpin this section we