Parallel
Matthew 26:28
Robinson-Pierpont Byzantine Textform · Berean Standard Bible
τοῦτο γάρ ἐστιν τὸ αἷμά μου, τὸ τῆς καινῆς διαθήκης, τὸ περὶ πολλῶν ἐκχυνόμενον εἰς ἄφεσιν ἁμαρτιῶν.
This is My blood of the covenant (note: BYZ and TR the new covenant), which is poured out for many for the forgiveness of sins.