9 alpha, 11 beta-substituted and 11 beta-substituted estranes

9 N -substituted 6-11 bicyclic erythromycin derivatives

9'-Azabicyclo [3.3.1] nonyl benzamide

9'Thia-ergots

9,10 disubstituted camptothecin derivatives with antitumor activ

9,10-Bis(aminoalkoxy)anthracenes

9,10-diazatricyclo[4,4,1,1.sup.2,5 ] decane and 2,7-diazatricycl

9,10-Dihydro-1,8,9-trihydroxy-9,10-anthracene .alpha.,.beta.-end

9,10-Dihydro-4H-benzo[4,5]cyclohepta [1,2-b]thiophen-4,9-imines

9,10-Dihydro-9,10-methanoanthracene N-oxide derivatives

9,10-substituted 2-mesitylimino-3-alkyl-3,4,6,7-tetra-hydro-2H-p

9,11-cycloendoperoxide pro-drugs of prostaglandin analogues...

9,11-Methano-13-aza-11a-carbathrombanoic acid analogues

9,11-O-methylene derivatives of 9-dihydroerythromycin

9,3",4"-Triacyl ester of the antibiotic SF-837 M.sub.1 substance

9- (substituted amino) -alpha-6-deoxy-5-oxy tetracycline derivat

9-α-substituted estratrienes as selectively active...

9-(.omega.-Heteroarylamino-alkylamino)-erythromycins and salts t

9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent

9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent