29855-95-6 5'-Guanylic acid, 2'-deoxy-, polymer with 2'-deoxy-5'-cytidylic acid Deoxyribo-GC polymer Poly d(G-C) Poly d(GC).poly d(GC) Poly(dC-dG) Poly(dG-dC) Poly(dG-dC).poly(dG-dC)