(4S,12aS)-4,7-Bis(dimethylamino)-9-{2-[(tert-butyl)amino]acetylamino}-3,10,12,12a-tetrahydroxy-1,11-dioxo-4,5,6,12a,4a,5a-hexahydronaphthacene-2-carboxamide 9-t-Butylglycylamido minocycline AIDS-094224 AIDS094224 GAR-936 Tigecycline Tygacil(TM)