4-Demethoxy-4'-deoxydoxorubicin

4-N, 2'-N and 4,2'-Di-N-fortimicin AD derivatives

4-N, 2'-N and 4,2'Di-N-fortimicins AH and AI

4-N,2'-N and 4,2'-Di-N-fortimicin AO derivatives

4-N-.beta.-Lysyl-2'-N-des-.beta.-lysyl antibiotic AX-127B-1 and

4-N-Acyl, 2'-N-acyl and 4,2'-N,N'-diacylfortimicin E derivatives

4-O-(2,3,5-Trideoxy-5-amino-.alpha.-D-pentofuranosy l)-6-O-amino

4a-Substituted avermectin compounds

5'-Deoxy-5'-(isobutylthio)-3-deazaadenosine, method of making sa

5,2',3',4',4",6"-Hexadeoxykanamycin and its 1-N-acylated derivat

5-Deoxy-4,6-di-O-(aminoglycosyl)-1,3-diaminocyclitols, methods f

5-Deoxyfortimicin A, 2,5-dideoxyfortimicin A and the correspondi

5-Epi-4,6-di-O-(aminoglycosyl)-2-deoxystreptamines, methods for

5-Epi-amino and 5-epi-azido-4,6-di-O-(aminoglycosyl)-2,5-dideoxy

5-Fluoro-(.beta.-uridine or 2'-deoxy-.beta.-uridine) derivatives

5-Halopyrimid-2-ones

5-Iminodoxorubicin

5-Iodo-5'-amino-2',5'-dideoxycytidine and the pharmaceutically a

5-Substituted 1-(2'-Deoxy-2'-substituted-.beta.-D-arabinofuranos

6"-Deoxydibekacin, 4",6"-dideoxydibekacin and 1-N-aminoacyl deri