Figure 2.
HPLC traces of 31-mer (5′-UAGUCUGCACXUGCACCAGUCGCUCAGGGAU-3′) before (trace A, X = 5-nbnOrC, Rt = 29.3 min) and after (trace B, X = 5-HOrC, Rt = 28.7 min) nitrobenzyl deprotection; trace C: coinjection of both.
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