(R)‐3‐(3‐fluoro‐4‐(2‐(((S)‐2‐nitro‐6,7‐dihydro‐5H‐imidazo[2,1‐b][1,3]oxazin‐6‐yl)oxy)pyrimidin‐5‐yl)phenyl)‐5‐(hydroxymethyl)oxazolidin‐2‐one
(6S)-2-nitro-6-({5-[4-trifluoromethoxyphenyl]-2-pyrimidinyl}oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(6S)-2-nitro-6-({5-[4-trifluoromethylphenyl]-2-pyrimidinyl}oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
(6S)-6-{[5-(4-fluorophenyl)-2-pyrimidinyl]oxy}-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine