A HUMAN NECESSITIES
A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61K PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00 Medicinal preparations containing organic active ingredients
A61K31/70 Carbohydrates; Sugars; Derivatives thereof
A61K31/7088 Compounds having three or more nucleosides or nucleotides
A61K31/7105 Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links