1 4 dihydro 1 deoxy 1 4 didehydro 5 2 methylpropyl 1 oxorifamycin xiv, 4 deoxo 3 4 2 spiro n isobutyl 4 piperidyl 2 5 dihydro 1h imidazo rifamycin s, 4 n isobutylspiropiperidylrifamycin s
For the prevention of disseminated Mycobacterium avium complex (MAC) disease in patients with advanced HIV infection.