Antonin Holy, Hana Dvorakova, Erik Desire Alice DeClercq, Jan Marie Rene Balzarini: Antiretroviral enantiomeric nucleotide analogs. Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic, Rega Stichting v z w, Max D Hensley, May 2, 2000: US06057305 (71 worldwide citation)

Resolved enantiomers of the formula ##STR1## wherein B is a purine or pyrimidine base or aza and/or deaza analogs thereof are useful in antiviral pharmaceutical compositions to treat retroviral infections.