Substituted 2', 3'-dideoxy-5-trifluoromethylur idines, processes for their preparation and their use in medicaments.
取代的2',3'-二脱氧-5-三氟甲基尿嘧啶核苷类,它们的制备方法以及它们在医药方面的应用。
One version of the dideoxy sequencing method can be used to sequence the 5'ends of RNA molecules by 'primer extension'.
一种形式的双脱氧序列测定法是通过引子的延长来测定RNA分子5’ 末端的序列。
The result of the nucleotide sequence determined by dideoxy chain-termination method indicated that 5'-terminal nucleotide sequence of the amplified NS1 fragment was not …