N-benzyloxycarbonyl-3-fluoro-4-morpholinoaniline

Linezolid is the first new oxazolidinone antibacterial drug used in clinic , which is mainly used to treat infections caused by Gram-positive ( G + ) cocci , including suspected or confirmed hospital-acquired pneumonia( HAP ) caused by methicillin-resistant staphylococcus aureus ( MRSA ) , community-acquired pneumonia ( CAP ) , complex skin or skin soft tissue infection ( SSTI ) , and vancomycin-resistant Enterococcus ( VRE ) infection .