(5R)-3-[(2S)-2-[[芴甲氧羰基]氨基]-1,4-二氧代-4-[(三苯基甲基)氨基]丁基]-2,2,5-三甲基-4-恶唑烷羧酸

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