12, 13-cyclopropane epothilone derivatives
12-halogenated forskolin derivatives
12-halogenated forskolin derivatives
13-deoxy-23-imino derivatives of 13-deoxy C-076-aglycone compoun
13-Halo and 13-deoxy C-076 compounds
13-Halo and 13-deoxy derivatives of C-076 compounds
13-propylberberine salts
13alpha-alkylgonan-delta 9(11)-5,10-epoxides
14-halo-camptothecins
14-hydrido-9β-hydroxytetracyclic taxanes
14-Hydroxy-6-oxamorphinans and 14-hydroxy-6-oxaisomorphinans
14-methyl epothilone derivatives
14-methyl-hexadecenolide and 14-methyl-hexadecanolide
14.alpha.,17.alpha.-dihydroxy-17.beta.-substituted steroids
15-OXA-steroid compounds
15-Oxasteroids
15-substituted 4-azasteroids
16-cycloalkyl-7-fluoro-prostacyclins
16-Hydroxy aspidospermidines and a process for their production
16-Hydroxy-5-iodo-prostacyclin analogs of the 1 series