Article 2 ion pair chromatography liquid chromatography 2 Chromatography, High Pressure Liquid 1 Chromatography, Liquid 1 DNA template 1 HPLC 1 LC-UV-MS 1 Magnetic Resonance Spectroscopy 1 RNA 1 RNA in vitro transcription 1 RNA sequence 1 RNA structure 1 RNA synthesis 1 RNA transcription 1 Transcription, Genetic 1 alloy 1 bioanalysis 1 biology 1 biophysics 1 chemical modification 1 dimethyl sulfoxide 1 gel electrophoresis 1 genetic transcription 1 genetics 1 guanine 1 high performance liquid chromatography 1 human 1 in vitro study 1 ion exchange chromatography 1