Syntheses of potential antimetabolites. XX. Syntheses of 5-carbomethoxymethyl- and 5-methylaminomethyl-2-thiouridine (the "first letters" of some anticodons) and closely related nucleosides from uridine

Syntheses of potential antimetabolites. XX. Syntheses of 5-carbomethoxymethyl- and 5-methylaminomethyl-2-thiouridine (the "first letters" of some anticodons) and closely related nucleosides from uridine