Patent ID: 6121296
Filing Date: 2000-09-19
Classification: C07H

Abstract:
A compound having the formula: ##STR19## wherein R1 is hydrogen, phosphoryl, mononucleotide in phosphodiester bonding to the oxygen of R1--O, or polynucleotide in phosphodiester bonding to the oxygen of R1--O; R2 is hydrogen, phosphoryl, mononucleotide in phosphodiester bonding to the oxygen of R1--O, or polynucleotide in phosphodiester bonding to the oxygen of R1--O; R3 is hydrogen or hydroxy, R4 is hydrogen or hydroxy; and R5 is hydrogen, phenyl, pyridyl, imidazolyl, adenine, guanine, pyrimidine, or an ortho, meta or para substituted phenyl.