(5R)-3-[(2S)-2-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-4-methyl-1-oxopentyl]-2,2,5-trimethyl-4-oxazolidinecarboxylic acid

(5R)-3-[(2S)-2-[[(9H-Fluoren-9-ylmethoxy)carbonyl]amino]-4-methyl-1-oxopentyl]-2,2,5-trimethyl-4-oxazolidinecarboxylic acid