NC50217
Guanylyl-(3′→5′)-guanylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-uridine
NC50218
Guanylyl-(3′→5′)-uridylyl-(3′→5′)-uridylyl-(3′→5′)-guanylyl-(3′→5′)-adenylyl-(3′→5′)-uridine
