SARS-CoV-2-IN-27 disodium is a two-armed diphosphate ester with C6 alkyl and molecular tweezers with extended length. SARS-CoV-2-IN-27 disodium exhibits antiviral activity with IC 50 s of 1.0 μM and 1.7 μM against SARS-CoV-2 activity and the spike pseudoparticle transduction, respectively. SARS-CoV-2-IN-27 disodium induces liposomal membrane disruption with an EC 50 value of 6.5 μM.