5'-O-DMT-N2-isobutyryl-2'-O-propynylguanosine 3'-CE phosphoramidite

5'- O- [bis (4- methoxyphenyl) phenylmethyl] - N- (2- methyl- 1- oxopropyl) - 2'- O- 2- propynyl- guanosine 3'- [2- cyanoethyl bis (1- methylethyl) phosphoramidite] (9CI)

CC (C) C (=O) NC1=NC2=C (C (=O) N1) N=CN2[C@H]3[C@@H] ([C@@H] ([C@H] (O3) COC (C4=CC=CC=C4) (C5=CC=C (C=C5) OC) C6=CC=C (C=C6) OC) OP (N (C (C) C) C (C) C) OCCC#N) OCC#C