label: pp5'N(3'ppp5'N)n
label_lc: pp5'n(3'ppp5'n)n
description: "An oligonucleotide comprised of a 5'-diphosphonucleotide connected via a (3'->5') triphosphate-linkage to a chain of (3'->5') triphosphate-linked ribonucleotide residues. The number of nucleotide residues in the chain is between 1 and 8."