Patent ID: 11891602
Assignee: TORAY INDUSTRIES, INC.
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 3:
4. The method according to claim 1, wherein Lx1 is represented by formula (III):, wherein, in formula (III), R1 is an optionally substituted alkylene chain, and —OR′ is bonded to the 3′ end of Xc via a phosphodiester bond, and
Lx2 is represented by formula (IV) or formula (IV′):, wherein, in formula (IV), R2 is an optionally substituted alkylene chain, p is 1 or 2, and —OR2 is bonded to the 5′ end of X via a phosphodiester bond; and in formula (IV′), R2 is an optionally substituted alkylene chain, and —OR2 is bonded to the 5′ end of X via a phosphodiester bond.