Figure 1.

Chemical structures of 2-PMPA 1, tris-POC-2-PMPA 2, tetra-ODOL-2-PMPA 3, and protide- and cycloSal-based prodrugs of 2-PMPA.

Chemical structures of 2-PMPA 1, tris-POC-2-PMPA 2, tetra-ODOL-2-PMPA 3, and protide- and cycloSal-based prodrugs of 2-PMPA.