title: A Ring-Transformation/Ring-Annulation Strategy for the Synthesis of the DHFR Inhibitor, TNP-351: A Correction.
authors.affiliation: Department of Chemistry, Princeton University, Princeton, New Jersey 08544.
authors.forename: Edward C.
authors.initials: EC
authors.lastname: Taylor
authors.forename: Zhenmin
authors.initials: Z
authors.lastname: Mao