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. Author manuscript; available in PMC: 2018 Sep 4.
Published in final edited form as: RSC Adv. 2017 Sep 4;7:42519–42528. doi: 10.1039/C7RA04247G

Fig. 2.

Fig. 2

Chemical illustrations of the phosphordiamidites 1 and 2 and ribonucleoside phosphoramidites 3 and 4 needed for the solid-phase synthesis of 2′-OMeUtaPS. DMTr, 4,4′-dimethoxytrityl; i-Pr, isopropyl.