4′-substituted nucleoside derivatives as inhibitors...
4′-thio-L-xylo furanosyl nucleosides, precursors...
4′-thio-L-xylofuranosyl nucleosides, precursors...
4′-thio-L-xyloy furanosyl nucleosides, precursors...
4″-deoxy-4″-(S)-amido avermectin derivatives
4″-Deoxy-4″-(s)-amino avermectin derivatives
4″-substituted-9-deoxo-9a-aza-9a-homoerythromycin A...
4β-1″-[(2″-substituted benzoyl)...
4β-amino podophyllotoxin congeners as potential...
4'-substituted leucomycins
4′-C-ethynyl purine nucleoside compounds
4′-C-ethynyl pyrimidine nucleosides and pharmaceutical...
4′-O-substituted tylosin analogs
4′-substituted nucleoside derivatives as inhibitors of...
4′-Substituted-4′,5′-dihydropsoralens and...
4″-substituted-9-deoxo-9a-aza-9a homoerythromycin a...
4' and 4', 4"-substituted-3-.alpha.-(diphenylmethoxy) tropane an
4',5'-Dihydro-antibiotic AX-127B-1; 2'-N-des-.beta.-lysyl-4',5'-
4'-Deschlororebeccamycin pharmaceutical composition and method o
4'-Epi-6'-hydroxyadriamycin and method of use