F9K f9k (1'R,2R,2'S,6S,24AS)-17-FLUORO-6-(1-METHYL-2-OXOPIPERIDINE-3-CARBOXAMIDO)-19,19-DIOXIDO-5,21,24-TRIOXO-2'-VINYL-1,2,3,5,6,7,8,9,10,11,12,13,14,20,21,23,24,24A-OCTADECAHYDROSPIRO[BENZO[S]PYRROLO[2,1-G][1,2,5,8,18]THIATETRAAZACYCLOICOSINE-22,1'-CYCLOPRO-2-CARBOXYLATEPAN]-2-YL 4-FLUOROISOINDOLINE F9K